./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --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_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/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_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/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_d22aa387-2b2a-4cde-bc4c-c6c2049da814/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 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:59:04,254 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:59:04,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:59:04,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:59:04,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:59:04,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:59:04,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:59:04,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:59:04,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:59:04,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:59:04,450 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:59:04,450 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:59:04,451 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:59:04,453 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 07:59:04,453 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 07:59:04,454 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 07:59:04,454 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:59:04,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:59:04,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:59:04,456 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:59:04,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:59:04,458 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:59:04,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:59:04,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:59:04,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:59:04,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:59:04,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:59:04,461 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:59:04,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:59:04,462 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 07:59:04,463 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:59:04,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:59:04,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:59:04,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:59:04,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:59:04,465 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:59:04,466 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_d22aa387-2b2a-4cde-bc4c-c6c2049da814/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194
[2023-11-19 07:59:04,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:59:04,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:59:04,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:59:04,845 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:59:04,845 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:59:04,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i
[2023-11-19 07:59:07,940 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:59:08,282 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:59:08,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i
[2023-11-19 07:59:08,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/data/fa5bfd54a/406ffd2ae4384eacb152d646016cf4bc/FLAGd794c1cee
[2023-11-19 07:59:08,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/data/fa5bfd54a/406ffd2ae4384eacb152d646016cf4bc
[2023-11-19 07:59:08,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:59:08,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:59:08,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:59:08,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:59:08,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:59:08,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f2e62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08, skipping insertion in model container
[2023-11-19 07:59:08,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,409 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:59:08,770 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:59:08,783 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:59:08,819 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:59:08,852 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:59:08,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08 WrapperNode
[2023-11-19 07:59:08,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:59:08,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:59:08,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:59:08,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:59:08,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,898 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65
[2023-11-19 07:59:08,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:59:08,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:59:08,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:59:08,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:59:08,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:59:08,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:59:08,954 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:59:08,954 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:59:08,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (1/1) ...
[2023-11-19 07:59:08,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:08,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:08,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:09,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:59:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:59:09,163 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:59:09,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:59:09,302 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:59:09,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:59:09,315 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:59:09,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:09 BoogieIcfgContainer
[2023-11-19 07:59:09,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:59:09,327 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:59:09,327 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:59:09,332 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:59:09,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:59:09,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:59:08" (1/3) ...
[2023-11-19 07:59:09,334 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:59:09, skipping insertion in model container
[2023-11-19 07:59:09,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:59:09,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:08" (2/3) ...
[2023-11-19 07:59:09,335 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:59:09, skipping insertion in model container
[2023-11-19 07:59:09,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:59:09,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:09" (3/3) ...
[2023-11-19 07:59:09,337 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-2.i
[2023-11-19 07:59:09,397 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:59:09,397 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:59:09,397 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:59:09,397 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:59:09,398 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:59:09,398 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:59:09,398 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:59:09,398 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:59:09,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:09,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6
[2023-11-19 07:59:09,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:09,423 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:09,430 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2023-11-19 07:59:09,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2023-11-19 07:59:09,430 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:59:09,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:09,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6
[2023-11-19 07:59:09,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:09,433 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:09,434 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2023-11-19 07:59:09,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2023-11-19 07:59:09,442 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 7#L529true assume !(main_~length~0#1 < 1); 16#L529-2true assume !(main_~n~0#1 < 1); 2#L532-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 6#L537-3true
[2023-11-19 07:59:09,443 INFO L750 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 14#L537-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6#L537-3true
[2023-11-19 07:59:09,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:09,453 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times
[2023-11-19 07:59:09,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:09,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263957147]
[2023-11-19 07:59:09,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:09,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:09,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:09,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times
[2023-11-19 07:59:09,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:09,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460254478]
[2023-11-19 07:59:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:09,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:09,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:09,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:09,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times
[2023-11-19 07:59:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:09,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177609843]
[2023-11-19 07:59:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:09,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:09,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:09,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:10,277 INFO L210 LassoAnalysis]: Preferences:
[2023-11-19 07:59:10,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2023-11-19 07:59:10,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2023-11-19 07:59:10,280 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2023-11-19 07:59:10,280 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2023-11-19 07:59:10,280 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:10,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2023-11-19 07:59:10,281 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2023-11-19 07:59:10,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration1_Lasso
[2023-11-19 07:59:10,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2023-11-19 07:59:10,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2023-11-19 07:59:10,307 INFO 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 07:59:10,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:10,331 INFO 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 07:59:10,342 INFO 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 07:59:10,346 INFO 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 07:59:10,353 INFO 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 07:59:10,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:10,364 INFO 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 07:59:10,553 INFO 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 07:59:10,557 INFO 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 07:59:10,560 INFO 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 07:59:10,563 INFO 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 07:59:10,566 INFO 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 07:59:10,569 INFO 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 07:59:10,573 INFO 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 07:59:10,918 INFO L294 LassoAnalysis]: Preprocessing complete.
[2023-11-19 07:59:10,923 INFO L490 LassoAnalysis]: Using template 'affine'.
[2023-11-19 07:59:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:10,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:10,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:10,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:10,953 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:10,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:10,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:10,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:10,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:10,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:10,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:10,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2023-11-19 07:59:10,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:10,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:10,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2023-11-19 07:59:11,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,020 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:11,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:11,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:11,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:11,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:11,068 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:11,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:11,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:11,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:11,135 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:11,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:11,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:11,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,179 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:11,206 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:11,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:11,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:11,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:11,258 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:11,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:11,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:11,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:11,319 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:11,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:11,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:11,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:11,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,360 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,363 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 07:59:11,374 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:11,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:11,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:11,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:11,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:11,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:11,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2023-11-19 07:59:11,476 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver.
[2023-11-19 07:59:11,476 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero.
[2023-11-19 07:59:11,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:11,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:11,514 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:11,525 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2023-11-19 07:59:11,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2023-11-19 07:59:11,560 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2.
[2023-11-19 07:59:11,560 INFO L513 LassoAnalysis]: Proved termination.
[2023-11-19 07:59:11,561 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1
Supporting invariants [1*ULTIMATE.start_main_~nondetArea~0#1.offset >= 0]
[2023-11-19 07:59:11,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:11,650 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed
[2023-11-19 07:59:11,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetArea~0!base] could not be translated
[2023-11-19 07:59:11,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:11,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:59:11,712 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:59:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:11,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:59:11,734 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:59:11,762 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 07:59:11,807 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2023-11-19 07:59:11,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:11,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 48 transitions. Complement of second has 8 states.
[2023-11-19 07:59:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2023-11-19 07:59:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions.
[2023-11-19 07:59:11,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 2 letters.
[2023-11-19 07:59:11,906 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:59:11,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 7 letters. Loop has 2 letters.
[2023-11-19 07:59:11,907 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:59:11,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 4 letters.
[2023-11-19 07:59:11,907 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:59:11,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 48 transitions.
[2023-11-19 07:59:11,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2023-11-19 07:59:11,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 18 transitions.
[2023-11-19 07:59:11,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11
[2023-11-19 07:59:11,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12
[2023-11-19 07:59:11,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions.
[2023-11-19 07:59:11,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:59:11,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions.
[2023-11-19 07:59:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions.
[2023-11-19 07:59:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2023-11-19 07:59:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions.
[2023-11-19 07:59:11,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions.
[2023-11-19 07:59:11,956 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions.
[2023-11-19 07:59:11,956 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:59:11,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions.
[2023-11-19 07:59:11,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2023-11-19 07:59:11,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:11,957 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:11,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:11,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2023-11-19 07:59:11,958 INFO L748 eck$LassoCheckResult]: Stem: 134#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 128#L529 assume !(main_~length~0#1 < 1); 129#L529-2 assume !(main_~n~0#1 < 1); 122#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 123#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 124#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset, cmemchr_#t~mem4#1, cmemchr_#t~pre2#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 125#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 131#L518-4
[2023-11-19 07:59:11,959 INFO L750 eck$LassoCheckResult]: Loop: 131#L518-4 cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post3#1.base, 1 + cmemchr_#t~post3#1.offset;call cmemchr_#t~mem4#1 := read~int(cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset, 1); 132#L519 assume !((if cmemchr_#t~mem4#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem4#1 % 256 % 4294967296 else cmemchr_#t~mem4#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset;havoc cmemchr_#t~mem4#1; 135#L518-1 cmemchr_#t~pre2#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 133#L518-2 assume !!(0 != cmemchr_#t~pre2#1 % 4294967296);havoc cmemchr_#t~pre2#1; 131#L518-4
[2023-11-19 07:59:11,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times
[2023-11-19 07:59:11,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:11,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933698678]
[2023-11-19 07:59:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:12,134 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 07:59:12,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:12,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933698678]
[2023-11-19 07:59:12,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933698678] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:59:12,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:59:12,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:59:12,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397636933]
[2023-11-19 07:59:12,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:59:12,140 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2023-11-19 07:59:12,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:12,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 1 times
[2023-11-19 07:59:12,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:12,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563895150]
[2023-11-19 07:59:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:12,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:12,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:12,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:12,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:12,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:12,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:59:12,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:59:12,351 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:12,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:59:12,378 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions.
[2023-11-19 07:59:12,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions.
[2023-11-19 07:59:12,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2023-11-19 07:59:12,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions.
[2023-11-19 07:59:12,381 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12
[2023-11-19 07:59:12,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12
[2023-11-19 07:59:12,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions.
[2023-11-19 07:59:12,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:59:12,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions.
[2023-11-19 07:59:12,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions.
[2023-11-19 07:59:12,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14.
[2023-11-19 07:59:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions.
[2023-11-19 07:59:12,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions.
[2023-11-19 07:59:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:59:12,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions.
[2023-11-19 07:59:12,386 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:59:12,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions.
[2023-11-19 07:59:12,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2023-11-19 07:59:12,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:12,387 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:12,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:12,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2023-11-19 07:59:12,388 INFO L748 eck$LassoCheckResult]: Stem: 170#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 166#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 164#L529 assume !(main_~length~0#1 < 1); 165#L529-2 assume !(main_~n~0#1 < 1); 158#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 159#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 162#L537-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 163#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 160#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset, cmemchr_#t~mem4#1, cmemchr_#t~pre2#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 161#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 167#L518-4
[2023-11-19 07:59:12,388 INFO L750 eck$LassoCheckResult]: Loop: 167#L518-4 cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post3#1.base, 1 + cmemchr_#t~post3#1.offset;call cmemchr_#t~mem4#1 := read~int(cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset, 1); 168#L519 assume !((if cmemchr_#t~mem4#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem4#1 % 256 % 4294967296 else cmemchr_#t~mem4#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset;havoc cmemchr_#t~mem4#1; 171#L518-1 cmemchr_#t~pre2#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 169#L518-2 assume !!(0 != cmemchr_#t~pre2#1 % 4294967296);havoc cmemchr_#t~pre2#1; 167#L518-4
[2023-11-19 07:59:12,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:12,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times
[2023-11-19 07:59:12,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:12,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534920669]
[2023-11-19 07:59:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:12,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:12,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:12,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:12,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:12,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 2 times
[2023-11-19 07:59:12,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:12,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204810007]
[2023-11-19 07:59:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:12,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:12,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:12,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:12,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:12,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1308516218, now seen corresponding path program 1 times
[2023-11-19 07:59:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:12,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912944572]
[2023-11-19 07:59:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:59:12,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:12,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912944572]
[2023-11-19 07:59:12,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912944572] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:59:12,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851221945]
[2023-11-19 07:59:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:12,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:59:12,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:12,751 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:59:12,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-11-19 07:59:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:12,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-19 07:59:12,830 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:59:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:59:12,908 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:59:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:59:13,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851221945] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:59:13,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:59:13,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2023-11-19 07:59:13,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768275224]
[2023-11-19 07:59:13,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:59:13,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:13,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-19 07:59:13,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240
[2023-11-19 07:59:13,195 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:59:13,377 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions.
[2023-11-19 07:59:13,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions.
[2023-11-19 07:59:13,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2023-11-19 07:59:13,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 17 states and 19 transitions.
[2023-11-19 07:59:13,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12
[2023-11-19 07:59:13,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12
[2023-11-19 07:59:13,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions.
[2023-11-19 07:59:13,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:59:13,381 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions.
[2023-11-19 07:59:13,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions.
[2023-11-19 07:59:13,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16.
[2023-11-19 07:59:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions.
[2023-11-19 07:59:13,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions.
[2023-11-19 07:59:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-19 07:59:13,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions.
[2023-11-19 07:59:13,386 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2023-11-19 07:59:13,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions.
[2023-11-19 07:59:13,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2023-11-19 07:59:13,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:59:13,387 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:59:13,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:13,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2023-11-19 07:59:13,389 INFO L748 eck$LassoCheckResult]: Stem: 324#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 318#L529 assume !(main_~length~0#1 < 1); 319#L529-2 assume !(main_~n~0#1 < 1); 311#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 312#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 315#L537-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 316#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 317#L537-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 326#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 313#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset, cmemchr_#t~mem4#1, cmemchr_#t~pre2#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 314#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 321#L518-4
[2023-11-19 07:59:13,389 INFO L750 eck$LassoCheckResult]: Loop: 321#L518-4 cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post3#1.base, 1 + cmemchr_#t~post3#1.offset;call cmemchr_#t~mem4#1 := read~int(cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset, 1); 322#L519 assume !((if cmemchr_#t~mem4#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem4#1 % 256 % 4294967296 else cmemchr_#t~mem4#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post3#1.base, cmemchr_#t~post3#1.offset;havoc cmemchr_#t~mem4#1; 325#L518-1 cmemchr_#t~pre2#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 323#L518-2 assume !!(0 != cmemchr_#t~pre2#1 % 4294967296);havoc cmemchr_#t~pre2#1; 321#L518-4
[2023-11-19 07:59:13,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:13,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1352797870, now seen corresponding path program 2 times
[2023-11-19 07:59:13,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:13,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694240887]
[2023-11-19 07:59:13,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:13,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:13,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:13,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:13,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:13,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 3 times
[2023-11-19 07:59:13,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:13,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281611174]
[2023-11-19 07:59:13,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:13,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:13,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:13,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:13,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:13,441 INFO L85 PathProgramCache]: Analyzing trace with hash -24116136, now seen corresponding path program 2 times
[2023-11-19 07:59:13,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:13,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077683077]
[2023-11-19 07:59:13,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:13,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:13,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:59:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:59:13,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:59:14,122 INFO L210 LassoAnalysis]: Preferences:
[2023-11-19 07:59:14,122 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2023-11-19 07:59:14,122 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2023-11-19 07:59:14,122 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2023-11-19 07:59:14,122 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2023-11-19 07:59:14,122 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:14,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2023-11-19 07:59:14,123 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2023-11-19 07:59:14,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration4_Lasso
[2023-11-19 07:59:14,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2023-11-19 07:59:14,123 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2023-11-19 07:59:14,128 INFO 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 07:59:14,132 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 07:59:14,135 INFO 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 07:59:14,138 INFO 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 07:59:14,142 INFO 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 07:59:14,145 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 07:59:14,149 INFO 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 07:59:14,152 INFO 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 07:59:14,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:14,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:14,161 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 07:59:14,164 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 07:59:14,168 INFO 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 07:59:14,170 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 07:59:14,174 INFO 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 07:59:14,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:14,179 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 07:59:14,182 INFO 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 07:59:14,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:14,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:59:15,397 INFO L294 LassoAnalysis]: Preprocessing complete.
[2023-11-19 07:59:15,402 INFO L490 LassoAnalysis]: Using template 'affine'.
[2023-11-19 07:59:15,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,404 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2023-11-19 07:59:15,430 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:15,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:15,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,471 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:15,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,495 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,538 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:15,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,568 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,604 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2023-11-19 07:59:15,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,626 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,665 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2023-11-19 07:59:15,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,686 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,723 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:15,740 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:15,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:15,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,782 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,797 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 07:59:15,809 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,846 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:15,860 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,887 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:15,906 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:15,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:15,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:15,950 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:15,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process
[2023-11-19 07:59:15,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:15,965 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:15,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:15,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:15,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:15,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:15,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:15,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:15,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,010 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,029 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,055 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,067 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:16,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:16,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,122 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,143 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,185 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2023-11-19 07:59:16,201 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,244 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,248 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 07:59:16,261 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,312 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,329 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,368 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,382 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,424 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,440 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:16,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:16,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,489 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,506 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,538 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,557 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:16,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:16,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,606 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,624 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:59:16,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:59:16,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:59:16,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,664 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,685 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:16,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:16,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-19 07:59:16,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,730 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 07:59:16,745 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:59:16,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:59:16,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:59:16,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:59:16,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2023-11-19 07:59:16,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2023-11-19 07:59:16,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2023-11-19 07:59:16,875 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver.
[2023-11-19 07:59:16,875 INFO L444 ModelExtractionUtils]: 9 out of 37 variables were initially zero. Simplification set additionally 25 variables to zero.
[2023-11-19 07:59:16,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:59:16,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:16,877 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:16,879 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2023-11-19 07:59:16,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process
[2023-11-19 07:59:16,902 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2023-11-19 07:59:16,902 INFO L513 LassoAnalysis]: Proved termination.
[2023-11-19 07:59:16,902 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_cmemchr_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2) = -1*ULTIMATE.start_cmemchr_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2
Supporting invariants []
[2023-11-19 07:59:16,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:16,947 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed
[2023-11-19 07:59:16,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated
[2023-11-19 07:59:16,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:17,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-11-19 07:59:17,002 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:59:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:17,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-19 07:59:17,077 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:59:17,135 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 07:59:17,136 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates
[2023-11-19 07:59:17,136 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:17,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 22 transitions. Complement of second has 6 states.
[2023-11-19 07:59:17,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states
[2023-11-19 07:59:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions.
[2023-11-19 07:59:17,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 4 letters.
[2023-11-19 07:59:17,195 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:59:17,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 16 letters. Loop has 4 letters.
[2023-11-19 07:59:17,195 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:59:17,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 8 letters.
[2023-11-19 07:59:17,196 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:59:17,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions.
[2023-11-19 07:59:17,197 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-19 07:59:17,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions.
[2023-11-19 07:59:17,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2023-11-19 07:59:17,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2023-11-19 07:59:17,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2023-11-19 07:59:17,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:59:17,198 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:59:17,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:59:17,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:59:17,198 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============
[2023-11-19 07:59:17,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:59:17,199 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-19 07:59:17,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2023-11-19 07:59:17,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:59:17 BoogieIcfgContainer
[2023-11-19 07:59:17,206 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:59:17,207 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:59:17,207 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:59:17,207 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:59:17,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:09" (3/4) ...
[2023-11-19 07:59:17,210 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:59:17,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:59:17,212 INFO L158 Benchmark]: Toolchain (without parser) took 8879.73ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 123.5MB in the beginning and 64.1MB in the end (delta: 59.4MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB.
[2023-11-19 07:59:17,212 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 75.6MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:59:17,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.31ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 106.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:59:17,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.59ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 104.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:59:17,214 INFO L158 Benchmark]: Boogie Preprocessor took 54.02ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:59:17,214 INFO L158 Benchmark]: RCFGBuilder took 372.01ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 92.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:59:17,215 INFO L158 Benchmark]: BuchiAutomizer took 7879.83ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 92.3MB in the beginning and 64.1MB in the end (delta: 28.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB.
[2023-11-19 07:59:17,215 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 186.6MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:59:17,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 75.6MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 516.31ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 106.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.59ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 104.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.02ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 372.01ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 92.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* BuchiAutomizer took 7879.83ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 92.3MB in the beginning and 64.1MB in the end (delta: 28.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB.
* Witness Printer took 4.12ms. Allocated memory is still 186.6MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: ArrayAccessExpression #length[~nondetArea~0!base] could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 7.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 6.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 38 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital131 mio100 ax114 hnf100 lsp83 ukn87 mio100 lsp57 div182 bol100 ite100 ukn100 eq158 hnf93 smp67 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:59:17,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:17,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:17,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22aa387-2b2a-4cde-bc4c-c6c2049da814/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE