./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_02-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --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 894c556b0f4feb663ec35a01a2d06acf931df74aff57a717fa48cbd5e0bf347b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:42:41,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:42:41,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:42:41,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:42:41,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:42:41,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:42:41,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:42:41,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:42:41,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:42:41,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:42:41,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:42:41,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:42:41,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:42:41,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:42:41,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:42:41,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:42:41,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:42:41,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:42:41,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:42:41,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:42:41,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:42:41,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:42:41,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:42:41,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:42:41,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:42:41,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:42:41,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:42:41,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:42:41,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:42:41,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:42:41,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:42:41,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:42:41,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:42:41,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:42:41,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:42:41,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:42:41,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:42:41,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:42:41,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:42:41,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:42:41,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:42:41,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:42:41,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:42:41,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:42:41,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:42:41,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:42:41,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:42:41,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:42:41,504 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:42:41,504 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:42:41,504 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:42:41,504 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:42:41,505 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:42:41,506 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:42:41,506 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:42:41,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:42:41,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:42:41,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:42:41,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:42:41,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:42:41,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:42:41,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:42:41,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:42:41,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:42:41,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:42:41,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:42:41,515 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:42:41,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:42:41,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:42:41,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:42:41,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:42:41,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:42:41,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:42:41,517 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:42:41,518 INFO L138 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_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 894c556b0f4feb663ec35a01a2d06acf931df74aff57a717fa48cbd5e0bf347b [2022-10-17 10:42:41,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:42:41,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:42:41,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:42:41,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:42:41,803 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:42:41,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loops/terminator_02-2.c [2022-10-17 10:42:41,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/data/857a3364b/7c574bdd61cf47398c6139431e5ed7c1/FLAGafb291866 [2022-10-17 10:42:42,333 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:42:42,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/sv-benchmarks/c/loops/terminator_02-2.c [2022-10-17 10:42:42,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/data/857a3364b/7c574bdd61cf47398c6139431e5ed7c1/FLAGafb291866 [2022-10-17 10:42:42,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/data/857a3364b/7c574bdd61cf47398c6139431e5ed7c1 [2022-10-17 10:42:42,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:42:42,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:42:42,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:42:42,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:42:42,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:42:42,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:42,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cce335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42, skipping insertion in model container [2022-10-17 10:42:42,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:42,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:42:42,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:42:42,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/sv-benchmarks/c/loops/terminator_02-2.c[414,427] [2022-10-17 10:42:42,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:42:42,954 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:42:42,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/sv-benchmarks/c/loops/terminator_02-2.c[414,427] [2022-10-17 10:42:42,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:42:42,985 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:42:42,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42 WrapperNode [2022-10-17 10:42:42,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:42:42,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:42:42,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:42:42,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:42:42,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,018 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-10-17 10:42:43,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:42:43,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:42:43,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:42:43,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:42:43,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:42:43,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:42:43,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:42:43,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:42:43,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (1/1) ... [2022-10-17 10:42:43,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:43,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:43,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:43,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:42:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:42:43,191 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:42:43,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:42:43,312 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:42:43,318 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:42:43,318 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:42:43,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:42:43 BoogieIcfgContainer [2022-10-17 10:42:43,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:42:43,321 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:42:43,321 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:42:43,325 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:42:43,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:42:43,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:42:42" (1/3) ... [2022-10-17 10:42:43,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64854cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:42:43, skipping insertion in model container [2022-10-17 10:42:43,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:42:43,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:42:42" (2/3) ... [2022-10-17 10:42:43,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64854cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:42:43, skipping insertion in model container [2022-10-17 10:42:43,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:42:43,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:42:43" (3/3) ... [2022-10-17 10:42:43,330 INFO L332 chiAutomizerObserver]: Analyzing ICFG terminator_02-2.c [2022-10-17 10:42:43,384 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:42:43,385 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:42:43,385 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:42:43,385 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:42:43,385 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:42:43,385 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:42:43,385 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:42:43,386 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:42:43,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:42:43,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:42:43,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:42:43,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:42:43,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:42:43,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:42:43,414 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:42:43,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:42:43,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:42:43,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:42:43,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:42:43,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:42:43,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:42:43,425 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8#L22true assume !!(main_~x~0#1 > -100); 11#L23true assume !!(main_~x~0#1 < 200); 12#L24true assume !!(main_~z~0#1 > 100); 5#L25true assume !!(main_~z~0#1 < 200); 16#L29-2true [2022-10-17 10:42:43,425 INFO L750 eck$LassoCheckResult]: Loop: 16#L29-2true assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 6#L29true assume 0 != main_~tmp~0#1 % 256;main_#t~post7#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 16#L29-2true [2022-10-17 10:42:43,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:43,432 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2022-10-17 10:42:43,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:43,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514595709] [2022-10-17 10:42:43,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:43,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:43,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:43,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:43,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times [2022-10-17 10:42:43,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:43,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358068993] [2022-10-17 10:42:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:43,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:43,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:43,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:43,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:43,685 INFO L85 PathProgramCache]: Analyzing trace with hash 179567792, now seen corresponding path program 1 times [2022-10-17 10:42:43,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:43,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919615095] [2022-10-17 10:42:43,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:43,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:43,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:43,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:43,905 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:43,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:43,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:43,906 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:43,906 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:42:43,906 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:43,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:43,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:43,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2022-10-17 10:42:43,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:43,907 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:43,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:43,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:43,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:43,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:44,114 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:44,114 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:42:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:44,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:44,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:44,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:44,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:44,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:42:44,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:44,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:44,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:44,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:44,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:42:44,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:44,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:42:44,252 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:42:44,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:44,263 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:44,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:44,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:44,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:44,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:42:44,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:44,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:44,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:44,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2022-10-17 10:42:44,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:44,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:44,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:44,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:44,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:44,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:44,407 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:44,412 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:42:44,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:44,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:44,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:42:44,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:44,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:44,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:44,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:44,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:44,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:44,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:44,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:44,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:42:44,443 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:42:44,443 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:42:44,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:44,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:44,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:44,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:42:44,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:42:44,448 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:42:44,448 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:42:44,449 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2022-10-17 10:42:44,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:44,474 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:42:44,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:44,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:42:44,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:44,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:42:44,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:42:44,669 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 [2022-10-17 10:42:44,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-10-17 10:42:44,742 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 43 states and 56 transitions. Complement of second has 8 states. [2022-10-17 10:42:44,744 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 [2022-10-17 10:42:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-10-17 10:42:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2022-10-17 10:42:44,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 2 letters. [2022-10-17 10:42:44,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:44,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 2 letters. [2022-10-17 10:42:44,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:44,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2022-10-17 10:42:44,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:44,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2022-10-17 10:42:44,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:42:44,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 12 states and 15 transitions. [2022-10-17 10:42:44,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-10-17 10:42:44,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-10-17 10:42:44,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-10-17 10:42:44,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:42:44,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:42:44,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-10-17 10:42:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-10-17 10:42:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:42:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-10-17 10:42:44,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:42:44,790 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:42:44,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:42:44,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-10-17 10:42:44,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:42:44,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:42:44,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:42:44,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:42:44,792 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:42:44,792 INFO L748 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 109#L22 assume !!(main_~x~0#1 > -100); 110#L23 assume !!(main_~x~0#1 < 200); 115#L24 assume !!(main_~z~0#1 > 100); 113#L25 assume !!(main_~z~0#1 < 200); 114#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 116#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 117#L29-2 [2022-10-17 10:42:44,792 INFO L750 eck$LassoCheckResult]: Loop: 117#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 120#L29 assume 0 != main_~tmp~0#1 % 256;main_#t~post7#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 117#L29-2 [2022-10-17 10:42:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash 179567794, now seen corresponding path program 1 times [2022-10-17 10:42:44,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:44,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377487993] [2022-10-17 10:42:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:44,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:44,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:44,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:44,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 2 times [2022-10-17 10:42:44,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:44,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120181110] [2022-10-17 10:42:44,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:44,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:44,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:44,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:44,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 765959189, now seen corresponding path program 1 times [2022-10-17 10:42:44,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:44,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851283869] [2022-10-17 10:42:44,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:44,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:44,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:44,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:44,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:44,996 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:44,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:44,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:44,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:44,997 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:42:44,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:44,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:44,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:44,998 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2022-10-17 10:42:44,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:44,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:44,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,101 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:45,102 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:42:45,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:42:45,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:45,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:45,123 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:45,124 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=101} Honda state: {ULTIMATE.start_main_~z~0#1=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:42:45,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:45,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,148 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:42:45,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:45,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:45,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:45,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:42:45,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:45,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:42:45,259 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:42:45,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:45,263 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:45,263 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:45,263 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:45,263 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:45,263 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:42:45,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:45,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:45,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2022-10-17 10:42:45,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:45,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:45,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,375 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:45,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:42:45,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,379 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:45,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:45,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:45,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:45,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:45,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:45,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:45,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:45,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:42:45,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:45,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:45,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,449 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:45,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:45,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:45,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:45,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:45,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:45,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:42:45,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:45,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:45,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:45,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,513 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:42:45,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:45,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:45,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:45,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:45,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:45,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:45,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:45,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:45,546 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:42:45,560 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:42:45,560 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:42:45,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:45,563 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:45,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:42:45,599 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:42:45,599 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:42:45,600 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:42:45,600 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2022-10-17 10:42:45,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:45,624 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:42:45,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:45,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:42:45,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:45,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:42:45,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:42:45,711 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 [2022-10-17 10:42:45,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-10-17 10:42:45,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 16 states and 21 transitions. Complement of second has 5 states. [2022-10-17 10:42:45,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:42:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-10-17 10:42:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2022-10-17 10:42:45,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2022-10-17 10:42:45,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:45,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-10-17 10:42:45,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:45,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2022-10-17 10:42:45,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:45,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2022-10-17 10:42:45,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:42:45,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2022-10-17 10:42:45,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-10-17 10:42:45,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-10-17 10:42:45,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-10-17 10:42:45,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:42:45,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:42:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-10-17 10:42:45,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-10-17 10:42:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:42:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-10-17 10:42:45,748 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:42:45,748 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:42:45,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:42:45,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-10-17 10:42:45,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:42:45,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:42:45,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:42:45,750 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-17 10:42:45,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:42:45,750 INFO L748 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 187#L22 assume !!(main_~x~0#1 > -100); 188#L23 assume !!(main_~x~0#1 < 200); 193#L24 assume !!(main_~z~0#1 > 100); 191#L25 assume !!(main_~z~0#1 < 200); 192#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 194#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 195#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 200#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 198#L29-2 [2022-10-17 10:42:45,751 INFO L750 eck$LassoCheckResult]: Loop: 198#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 199#L29 assume 0 != main_~tmp~0#1 % 256;main_#t~post7#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 198#L29-2 [2022-10-17 10:42:45,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:45,751 INFO L85 PathProgramCache]: Analyzing trace with hash 765959191, now seen corresponding path program 2 times [2022-10-17 10:42:45,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:45,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151426708] [2022-10-17 10:42:45,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:45,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:45,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:45,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:45,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 3 times [2022-10-17 10:42:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:45,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563527369] [2022-10-17 10:42:45,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:45,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:45,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:45,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:45,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1647375930, now seen corresponding path program 2 times [2022-10-17 10:42:45,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:45,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681085875] [2022-10-17 10:42:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:45,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:45,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:45,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:45,924 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:45,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:45,925 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:45,925 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:45,925 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:42:45,925 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:45,925 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:45,925 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:45,925 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2022-10-17 10:42:45,925 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:45,925 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:45,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:45,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:46,029 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:42:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,030 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:46,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:46,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:42:46,059 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:46,059 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=101} Honda state: {ULTIMATE.start_main_~z~0#1=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:42:46,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:46,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,097 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:46,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:46,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:42:46,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:46,127 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0#1=192, ULTIMATE.start_main_#t~nondet6#1=192} Honda state: {ULTIMATE.start_main_~tmp~0#1=192, ULTIMATE.start_main_#t~nondet6#1=192} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:42:46,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:46,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,159 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:42:46,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:46,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:46,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-10-17 10:42:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,200 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:42:46,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:42:46,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:46,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:46,296 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:42:46,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:46,303 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:46,303 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:46,303 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:46,303 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:46,303 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:42:46,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:46,303 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:46,303 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2022-10-17 10:42:46,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:46,304 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:46,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,398 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:46,398 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:42:46,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,399 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:46,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:46,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:46,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:46,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:46,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:46,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:46,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:46,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:42:46,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:46,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:46,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,476 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,481 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 [2022-10-17 10:42:46,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:46,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:46,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:46,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:46,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:46,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:46,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:46,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:42:46,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:42:46,509 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:42:46,509 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:42:46,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:46,511 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:46,516 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:42:46,516 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:42:46,516 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:42:46,516 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2022-10-17 10:42:46,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:42:46,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:46,553 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:42:46,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:46,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:42:46,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:46,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:42:46,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:42:46,627 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 [2022-10-17 10:42:46,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-17 10:42:46,647 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18 states and 25 transitions. Complement of second has 5 states. [2022-10-17 10:42:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:42:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-17 10:42:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2022-10-17 10:42:46,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-10-17 10:42:46,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:46,650 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-10-17 10:42:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:46,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:42:46,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:46,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:42:46,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:42:46,739 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:42:46,740 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-17 10:42:46,754 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18 states and 25 transitions. Complement of second has 5 states. [2022-10-17 10:42:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:42:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-17 10:42:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2022-10-17 10:42:46,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-10-17 10:42:46,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:46,757 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-10-17 10:42:46,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:46,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:42:46,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:46,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:42:46,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:42:46,821 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:42:46,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-17 10:42:46,843 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 28 transitions. Complement of second has 4 states. [2022-10-17 10:42:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:42:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-17 10:42:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-10-17 10:42:46,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 2 letters. [2022-10-17 10:42:46,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:46,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2022-10-17 10:42:46,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:46,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2022-10-17 10:42:46,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:46,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2022-10-17 10:42:46,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-10-17 10:42:46,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 24 transitions. [2022-10-17 10:42:46,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:42:46,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-10-17 10:42:46,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-10-17 10:42:46,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:42:46,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-10-17 10:42:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-10-17 10:42:46,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 10. [2022-10-17 10:42:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-10-17 10:42:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-10-17 10:42:46,862 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-10-17 10:42:46,862 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-10-17 10:42:46,863 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:42:46,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-10-17 10:42:46,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-10-17 10:42:46,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:42:46,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:42:46,865 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:42:46,865 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:42:46,865 INFO L748 eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 396#L22 assume !!(main_~x~0#1 > -100); 397#L23 assume !!(main_~x~0#1 < 200); 405#L24 assume !!(main_~z~0#1 > 100); 400#L25 assume !!(main_~z~0#1 < 200); 401#L29-2 [2022-10-17 10:42:46,865 INFO L750 eck$LassoCheckResult]: Loop: 401#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 402#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 401#L29-2 [2022-10-17 10:42:46,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 2 times [2022-10-17 10:42:46,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:46,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620362373] [2022-10-17 10:42:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:46,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:46,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:46,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:46,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:46,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 1 times [2022-10-17 10:42:46,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:46,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323752952] [2022-10-17 10:42:46,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:46,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:46,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:46,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:46,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:46,903 INFO L85 PathProgramCache]: Analyzing trace with hash 179567794, now seen corresponding path program 3 times [2022-10-17 10:42:46,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:42:46,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093066232] [2022-10-17 10:42:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:42:46,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:42:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:46,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:42:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:42:46,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:42:46,953 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:46,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:46,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:46,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:46,954 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:42:46,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:46,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:46,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:46,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2022-10-17 10:42:46,954 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:46,954 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:46,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:46,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:47,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:47,054 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:42:47,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,056 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:47,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:42:47,089 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:47,089 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0#1=0, ULTIMATE.start_main_#t~nondet6#1=0} Honda state: {ULTIMATE.start_main_~tmp~0#1=0, ULTIMATE.start_main_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:42:47,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,129 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:42:47,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:47,134 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,167 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:47,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post9#1=0} Honda state: {ULTIMATE.start_main_#t~post9#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:42:47,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,204 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:47,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:42:47,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,279 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:42:47,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:42:47,307 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:47,307 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=99} Honda state: {ULTIMATE.start_main_~x~0#1=99} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}] Lambdas: [1, 13, 8] Nus: [1, 1] [2022-10-17 10:42:47,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-10-17 10:42:47,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,330 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:47,332 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:42:47,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:42:47,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post8#1=0} Honda state: {ULTIMATE.start_main_#t~post8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:42:47,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-10-17 10:42:47,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,363 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:42:47,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:42:47,379 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-10-17 10:42:47,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,459 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:42:47,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:42:47,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:42:47,518 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:42:47,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,523 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:42:47,524 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:42:47,524 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:42:47,524 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:42:47,524 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:42:47,524 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,524 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:42:47,524 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:42:47,524 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2022-10-17 10:42:47,524 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:42:47,524 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:42:47,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:47,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:47,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:47,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:47,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:42:47,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:42:47,638 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:42:47,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,640 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:47,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:47,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:47,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:47,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:47,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:47,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:47,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:47,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:42:47,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:47,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,708 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:42:47,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:47,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:47,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:47,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:47,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:47,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:47,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:47,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:47,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,778 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:47,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:47,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:47,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:47,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:47,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:47,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:47,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:47,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:42:47,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:47,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,855 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:47,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:47,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:47,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:47,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:47,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:47,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:47,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:47,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:42:47,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:42:47,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,915 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:42:47,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:42:47,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:42:47,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:42:47,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:42:47,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:42:47,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:42:47,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:42:47,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:42:47,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:42:47,952 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:42:47,952 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:42:47,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:42:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:42:47,954 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:42:47,955 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:42:47,955 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:42:47,955 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:42:47,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2022-10-17 10:42:47,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:42:47,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:47,991 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:42:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:42:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:48,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:42:48,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:42:48,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:42:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:42:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:42:48,045 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 [2022-10-17 10:42:48,045 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-10-17 10:42:48,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 16 states and 22 transitions. Complement of second has 4 states. [2022-10-17 10:42:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:42:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-10-17 10:42:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-10-17 10:42:48,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2022-10-17 10:42:48,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:48,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2022-10-17 10:42:48,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:48,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2022-10-17 10:42:48,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:42:48,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2022-10-17 10:42:48,061 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:42:48,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-10-17 10:42:48,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:42:48,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:42:48,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:42:48,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:42:48,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:42:48,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:42:48,062 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:42:48,062 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:42:48,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:42:48,062 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:42:48,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:42:48,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:42:48 BoogieIcfgContainer [2022-10-17 10:42:48,070 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:42:48,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:42:48,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:42:48,071 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:42:48,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:42:43" (3/4) ... [2022-10-17 10:42:48,074 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:42:48,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:42:48,075 INFO L158 Benchmark]: Toolchain (without parser) took 5335.06ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 66.8MB in the beginning and 86.7MB in the end (delta: -19.9MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-10-17 10:42:48,075 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:42:48,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.46ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 65.1MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:42:48,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.04ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 63.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:42:48,077 INFO L158 Benchmark]: Boogie Preprocessor took 20.50ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 62.7MB in the end (delta: 983.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:42:48,077 INFO L158 Benchmark]: RCFGBuilder took 279.75ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 53.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:42:48,077 INFO L158 Benchmark]: BuchiAutomizer took 4748.68ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 53.0MB in the beginning and 87.7MB in the end (delta: -34.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-10-17 10:42:48,078 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 86.7MB in the end (delta: 979.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:42:48,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.46ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 65.1MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.04ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 63.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.50ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 62.7MB in the end (delta: 983.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.75ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 53.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4748.68ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 53.0MB in the beginning and 87.7MB in the end (delta: -34.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 86.7MB in the end (delta: 979.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 199 + -2 * x and consists of 5 locations. One deterministic module has affine ranking function 199 + -2 * x and consists of 3 locations. One deterministic module has affine ranking function z and consists of 3 locations. One nondeterministic module has affine ranking function 199 + -2 * x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 60 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div444 bol100 ite100 ukn100 eq150 hnf95 smp41 dnf100 smp100 tf106 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:42:48,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:42:48,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de563af3-c075-4741-9a65-5661e2f68538/bin/uautomizer-J5u9QxTXDZ/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