./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS --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 bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- 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-4e7fbc6 [2022-11-23 03:11:31,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:11:31,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:11:31,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:11:31,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:11:31,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:11:31,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:11:31,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:11:31,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:11:31,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:11:31,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:11:31,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:11:31,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:11:31,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:11:31,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:11:31,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:11:31,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:11:31,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:11:31,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:11:31,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:11:31,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:11:31,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:11:31,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:11:31,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:11:31,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:11:31,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:11:31,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:11:31,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:11:31,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:11:31,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:11:31,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:11:31,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:11:31,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:11:31,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:11:31,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:11:31,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:11:31,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:11:31,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:11:31,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:11:31,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:11:31,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:11:31,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 03:11:31,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:11:31,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:11:31,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:11:31,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:11:31,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:11:31,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:11:31,378 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:11:31,379 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:11:31,379 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:11:31,379 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:11:31,381 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:11:31,381 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:11:31,381 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:11:31,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:11:31,382 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:11:31,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:11:31,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:11:31,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:11:31,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:11:31,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:11:31,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:11:31,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:11:31,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:11:31,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:11:31,385 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:11:31,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:11:31,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:11:31,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:11:31,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:11:31,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:11:31,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:11:31,388 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:11:31,389 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_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2022-11-23 03:11:31,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:11:31,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:11:31,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:11:31,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:11:31,761 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:11:31,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2022-11-23 03:11:35,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:11:35,588 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:11:35,589 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2022-11-23 03:11:35,596 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/data/c943ee207/a76c79064be24781aa42e95ce1e51b22/FLAG25a94b45b [2022-11-23 03:11:35,615 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/data/c943ee207/a76c79064be24781aa42e95ce1e51b22 [2022-11-23 03:11:35,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:11:35,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:11:35,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:11:35,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:11:35,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:11:35,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:35,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ca4e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35, skipping insertion in model container [2022-11-23 03:11:35,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:35,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:11:35,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:11:35,861 WARN L237 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_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2022-11-23 03:11:35,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:11:35,892 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:11:35,908 WARN L237 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_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2022-11-23 03:11:35,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:11:35,951 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:11:35,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35 WrapperNode [2022-11-23 03:11:35,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:11:35,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:11:35,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:11:35,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:11:35,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:35,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,010 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-11-23 03:11:36,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:11:36,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:11:36,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:11:36,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:11:36,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:11:36,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:11:36,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:11:36,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:11:36,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (1/1) ... [2022-11-23 03:11:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:36,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:36,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:11:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:11:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:11:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:11:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:11:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:11:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:11:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:11:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:11:36,276 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:11:36,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:11:36,544 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:11:36,552 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:11:36,566 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:11:36,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:36 BoogieIcfgContainer [2022-11-23 03:11:36,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:11:36,571 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:11:36,571 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:11:36,576 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:11:36,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:11:36,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:11:35" (1/3) ... [2022-11-23 03:11:36,579 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@787ec24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:11:36, skipping insertion in model container [2022-11-23 03:11:36,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:11:36,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:35" (2/3) ... [2022-11-23 03:11:36,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@787ec24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:11:36, skipping insertion in model container [2022-11-23 03:11:36,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:11:36,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:36" (3/3) ... [2022-11-23 03:11:36,582 INFO L332 chiAutomizerObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2022-11-23 03:11:36,696 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:11:36,696 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:11:36,696 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:11:36,696 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:11:36,696 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:11:36,697 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:11:36,697 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:11:36,697 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:11:36,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:36,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-11-23 03:11:36,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:36,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:36,728 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 03:11:36,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 03:11:36,728 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:11:36,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:36,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-11-23 03:11:36,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:36,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:36,733 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 03:11:36,733 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 03:11:36,743 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(39, 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~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 3#L21-3true [2022-11-23 03:11:36,745 INFO L750 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 11#L21-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3#L21-3true [2022-11-23 03:11:36,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-23 03:11:36,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:36,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567764424] [2022-11-23 03:11:36,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:36,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:37,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:37,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:37,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-23 03:11:37,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:37,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257167077] [2022-11-23 03:11:37,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:37,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:37,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:37,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:37,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:37,049 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-23 03:11:37,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:37,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62437170] [2022-11-23 03:11:37,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:37,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:37,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:37,483 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:11:37,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:11:37,484 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:11:37,484 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:11:37,484 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:11:37,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:37,485 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:11:37,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:11:37,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration1_Lasso [2022-11-23 03:11:37,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:11:37,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:11:37,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:37,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:37,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:37,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:38,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:11:38,457 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:11:38,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 03:11:38,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:11:38,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:11:38,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:11:38,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:11:38,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:11:38,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:38,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 03:11:38,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:11:38,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:11:38,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:11:38,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:11:38,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:11:38,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:38,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 03:11:38,567 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 [2022-11-23 03:11:38,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:11:38,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:11:38,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:11:38,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:11:38,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-23 03:11:38,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 03:11:38,619 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 [2022-11-23 03:11:38,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:11:38,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:11:38,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:11:38,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:11:38,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:38,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 03:11:38,678 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 [2022-11-23 03:11:38,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:11:38,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:11:38,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:11:38,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:38,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 03:11:38,755 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 [2022-11-23 03:11:38,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:11:38,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:11:38,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:11:38,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:38,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,823 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,832 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 [2022-11-23 03:11:38,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 03:11:38,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:11:38,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:11:38,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:11:38,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:11:38,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:11:38,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:11:38,872 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:11:38,898 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-23 03:11:38,898 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-23 03:11:38,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:38,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:38,927 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:11:38,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 03:11:38,937 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:11:38,962 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:11:38,962 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:11:38,963 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 21 Supporting invariants [] [2022-11-23 03:11:38,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:38,998 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-23 03:11:39,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:39,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:11:39,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:11:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:39,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:11:39,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:11:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:39,176 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 [2022-11-23 03:11:39,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:39,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 35 transitions. Complement of second has 8 states. [2022-11-23 03:11:39,254 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 [2022-11-23 03:11:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-23 03:11:39,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-23 03:11:39,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:11:39,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-23 03:11:39,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:11:39,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-23 03:11:39,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:11:39,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2022-11-23 03:11:39,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:39,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 7 states and 9 transitions. [2022-11-23 03:11:39,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-11-23 03:11:39,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2022-11-23 03:11:39,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2022-11-23 03:11:39,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:11:39,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-23 03:11:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2022-11-23 03:11:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-23 03:11:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-11-23 03:11:39,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-23 03:11:39,310 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-23 03:11:39,310 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:11:39,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2022-11-23 03:11:39,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:39,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:39,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:39,311 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-23 03:11:39,312 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:11:39,312 INFO L748 eck$LassoCheckResult]: Stem: 101#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(39, 2);call #Ultimate.allocInit(12, 3); 102#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 97#L21-3 assume !(main_~i~0#1 < 11); 98#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 103#L28-2 [2022-11-23 03:11:39,312 INFO L750 eck$LassoCheckResult]: Loop: 103#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 103#L28-2 [2022-11-23 03:11:39,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:39,313 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-23 03:11:39,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:39,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281850958] [2022-11-23 03:11:39,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:39,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:11:39,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281850958] [2022-11-23 03:11:39,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281850958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:11:39,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:11:39,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:11:39,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626505779] [2022-11-23 03:11:39,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:11:39,413 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 03:11:39,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2022-11-23 03:11:39,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:39,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662224599] [2022-11-23 03:11:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:39,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:39,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:39,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:11:39,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:11:39,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:11:39,645 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:11:39,672 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-23 03:11:39,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-23 03:11:39,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:39,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2022-11-23 03:11:39,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-23 03:11:39,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-23 03:11:39,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-11-23 03:11:39,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:11:39,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-23 03:11:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-11-23 03:11:39,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2022-11-23 03:11:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 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) [2022-11-23 03:11:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-11-23 03:11:39,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-23 03:11:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:11:39,678 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-23 03:11:39,678 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 03:11:39,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-11-23 03:11:39,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:39,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:39,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:39,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:11:39,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:11:39,683 INFO L748 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 119#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 120#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 121#L21-3 assume !(main_~i~0#1 < 11); 122#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 125#L28-2 [2022-11-23 03:11:39,683 INFO L750 eck$LassoCheckResult]: Loop: 125#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 125#L28-2 [2022-11-23 03:11:39,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:39,684 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-23 03:11:39,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:39,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681511938] [2022-11-23 03:11:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:39,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:39,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:11:39,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681511938] [2022-11-23 03:11:39,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681511938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:11:39,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27990226] [2022-11-23 03:11:39,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:39,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:11:39,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:39,832 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:11:39,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 03:11:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:39,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:11:39,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:11:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:39,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:11:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:39,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27990226] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:11:39,955 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:11:39,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-23 03:11:39,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350973936] [2022-11-23 03:11:39,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:11:39,956 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 03:11:39,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:39,957 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2022-11-23 03:11:39,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:39,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490186347] [2022-11-23 03:11:39,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:39,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:39,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:39,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:40,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:11:40,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:11:40,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:11:40,144 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2022-11-23 03:11:40,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:11:40,188 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-11-23 03:11:40,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2022-11-23 03:11:40,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:40,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2022-11-23 03:11:40,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-23 03:11:40,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-23 03:11:40,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2022-11-23 03:11:40,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:11:40,190 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-23 03:11:40,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2022-11-23 03:11:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-11-23 03:11:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-23 03:11:40,193 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-23 03:11:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:11:40,194 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-23 03:11:40,194 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 03:11:40,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2022-11-23 03:11:40,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:40,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:40,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:40,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-23 03:11:40,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:11:40,197 INFO L748 eck$LassoCheckResult]: Stem: 185#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(39, 2);call #Ultimate.allocInit(12, 3); 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 181#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 182#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 183#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 184#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 193#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 192#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 191#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 190#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 189#L21-3 assume !(main_~i~0#1 < 11); 187#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 188#L28-2 [2022-11-23 03:11:40,197 INFO L750 eck$LassoCheckResult]: Loop: 188#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 188#L28-2 [2022-11-23 03:11:40,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:40,197 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-23 03:11:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:40,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488147572] [2022-11-23 03:11:40,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:40,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:11:40,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488147572] [2022-11-23 03:11:40,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488147572] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:11:40,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770286887] [2022-11-23 03:11:40,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 03:11:40,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:11:40,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:40,346 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:11:40,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 03:11:40,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:11:40,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 03:11:40,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:11:40,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:11:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:11:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:40,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:11:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:40,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770286887] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:11:40,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:11:40,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-23 03:11:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834330018] [2022-11-23 03:11:40,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:11:40,638 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 03:11:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 3 times [2022-11-23 03:11:40,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:40,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56764925] [2022-11-23 03:11:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:40,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:40,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:11:40,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 03:11:40,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-23 03:11:40,889 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 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) [2022-11-23 03:11:40,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:11:40,987 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-11-23 03:11:40,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2022-11-23 03:11:40,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:40,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2022-11-23 03:11:41,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-23 03:11:41,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-23 03:11:41,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2022-11-23 03:11:41,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:11:41,001 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-23 03:11:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2022-11-23 03:11:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-11-23 03:11:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.04) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-23 03:11:41,005 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-23 03:11:41,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 03:11:41,007 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-23 03:11:41,007 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 03:11:41,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 26 transitions. [2022-11-23 03:11:41,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:41,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:41,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:41,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-11-23 03:11:41,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:11:41,010 INFO L748 eck$LassoCheckResult]: Stem: 307#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(39, 2);call #Ultimate.allocInit(12, 3); 308#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 303#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 304#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 305#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 306#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 327#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 326#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 325#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 324#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 323#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 322#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 321#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 320#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 319#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 318#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 317#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 316#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 315#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 314#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 313#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 312#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 311#L21-3 assume !(main_~i~0#1 < 11); 309#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 310#L28-2 [2022-11-23 03:11:41,010 INFO L750 eck$LassoCheckResult]: Loop: 310#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 310#L28-2 [2022-11-23 03:11:41,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:41,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-11-23 03:11:41,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:41,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479277131] [2022-11-23 03:11:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:41,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:11:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:41,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:11:41,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479277131] [2022-11-23 03:11:41,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479277131] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:11:41,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327416228] [2022-11-23 03:11:41,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 03:11:41,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:11:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:11:41,387 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:11:41,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 03:11:41,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-23 03:11:41,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:11:41,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 03:11:41,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:11:41,710 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:41,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:11:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:11:41,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327416228] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:11:41,905 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:11:41,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 14 [2022-11-23 03:11:41,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339561944] [2022-11-23 03:11:41,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:11:41,907 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 03:11:41,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:41,908 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 4 times [2022-11-23 03:11:41,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:41,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373959457] [2022-11-23 03:11:41,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:41,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:41,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:41,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:42,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:11:42,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 03:11:42,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-11-23 03:11:42,108 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. cyclomatic complexity: 3 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:11:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:11:42,194 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2022-11-23 03:11:42,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 30 transitions. [2022-11-23 03:11:42,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:42,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 30 transitions. [2022-11-23 03:11:42,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-23 03:11:42,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-23 03:11:42,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 30 transitions. [2022-11-23 03:11:42,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:11:42,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-11-23 03:11:42,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 30 transitions. [2022-11-23 03:11:42,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-23 03:11:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.037037037037037) internal successors, (28), 26 states have internal predecessors, (28), 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) [2022-11-23 03:11:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-11-23 03:11:42,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-23 03:11:42,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 03:11:42,205 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-23 03:11:42,207 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-23 03:11:42,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 28 transitions. [2022-11-23 03:11:42,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:11:42,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:11:42,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:11:42,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 1, 1, 1, 1] [2022-11-23 03:11:42,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:11:42,211 INFO L748 eck$LassoCheckResult]: Stem: 516#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(39, 2);call #Ultimate.allocInit(12, 3); 517#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 512#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 513#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 514#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 515#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 538#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 537#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 536#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 535#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 534#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 533#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 532#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 531#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 530#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 529#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 528#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 527#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 526#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 525#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 524#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 523#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 522#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 521#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 520#L21-3 assume !(main_~i~0#1 < 11); 518#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 519#L28-2 [2022-11-23 03:11:42,211 INFO L750 eck$LassoCheckResult]: Loop: 519#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 519#L28-2 [2022-11-23 03:11:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:42,212 INFO L85 PathProgramCache]: Analyzing trace with hash -95647583, now seen corresponding path program 4 times [2022-11-23 03:11:42,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:42,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543112351] [2022-11-23 03:11:42,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:42,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:42,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:42,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 5 times [2022-11-23 03:11:42,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:42,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282495004] [2022-11-23 03:11:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:42,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:42,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:42,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:42,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:11:42,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1329892248, now seen corresponding path program 1 times [2022-11-23 03:11:42,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:11:42,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226037498] [2022-11-23 03:11:42,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:11:42,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:11:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:42,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:11:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:11:42,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:11:57,493 WARN L233 SmtUtils]: Spent 14.87s on a formula simplification. DAG size of input: 238 DAG size of output: 185 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 03:11:59,776 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:11:59,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:11:59,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:11:59,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:11:59,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:11:59,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:11:59,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:11:59,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:11:59,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration6_Lasso [2022-11-23 03:11:59,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:11:59,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:11:59,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:59,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:59,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:11:59,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:12:01,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:12:01,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:12:01,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:12:01,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:12:01,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:12:02,208 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:12:02,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:12:02,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 03:12:02,224 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 [2022-11-23 03:12:02,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:12:02,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:12:02,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:12:02,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,268 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 03:12:02,271 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 [2022-11-23 03:12:02,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:12:02,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:12:02,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:12:02,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,291 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 03:12:02,295 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 [2022-11-23 03:12:02,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:12:02,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:12:02,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:12:02,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-23 03:12:02,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,317 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 03:12:02,320 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 [2022-11-23 03:12:02,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,334 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 03:12:02,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,364 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-23 03:12:02,365 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-23 03:12:02,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,410 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 03:12:02,413 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 [2022-11-23 03:12:02,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,444 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 03:12:02,447 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 [2022-11-23 03:12:02,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,477 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,481 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 [2022-11-23 03:12:02,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 03:12:02,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,537 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 03:12:02,556 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 [2022-11-23 03:12:02,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,600 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,611 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 [2022-11-23 03:12:02,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 03:12:02,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,663 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,667 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 [2022-11-23 03:12:02,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 03:12:02,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,711 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:12:02,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 03:12:02,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:12:02,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:02,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,771 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,775 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 [2022-11-23 03:12:02,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 03:12:02,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:12:02,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:12:02,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:12:02,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:12:02,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:12:02,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:12:02,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:12:02,843 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 03:12:02,843 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-23 03:12:02,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:12:02,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:12:02,866 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:12:02,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 03:12:02,927 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:12:02,956 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:12:02,956 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:12:02,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~idx_in~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2) = -1*ULTIMATE.start_main_~idx_in~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2 Supporting invariants [] [2022-11-23 03:12:02,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:03,041 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2022-11-23 03:12:03,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:12:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:12:03,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:12:03,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:12:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:12:03,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:12:03,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:12:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:12:03,250 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-23 03:12:03,250 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:12:03,281 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 29 transitions. Complement of second has 3 states. [2022-11-23 03:12:03,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-23 03:12:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:12:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-23 03:12:03,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 26 letters. Loop has 1 letters. [2022-11-23 03:12:03,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:12:03,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 27 letters. Loop has 1 letters. [2022-11-23 03:12:03,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:12:03,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 26 letters. Loop has 2 letters. [2022-11-23 03:12:03,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:12:03,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2022-11-23 03:12:03,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:12:03,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2022-11-23 03:12:03,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 03:12:03,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 03:12:03,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 03:12:03,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:12:03,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:12:03,288 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:12:03,288 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:12:03,288 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-23 03:12:03,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:12:03,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:12:03,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 03:12:03,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:12:03 BoogieIcfgContainer [2022-11-23 03:12:03,299 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:12:03,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:12:03,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:12:03,300 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:12:03,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:36" (3/4) ... [2022-11-23 03:12:03,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:12:03,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:12:03,305 INFO L158 Benchmark]: Toolchain (without parser) took 27684.34ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 104.1MB in the beginning and 91.4MB in the end (delta: 12.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-23 03:12:03,306 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:12:03,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.84ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 93.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 03:12:03,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.68ms. Allocated memory is still 146.8MB. Free memory was 93.7MB in the beginning and 92.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:12:03,307 INFO L158 Benchmark]: Boogie Preprocessor took 42.80ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 91.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:12:03,308 INFO L158 Benchmark]: RCFGBuilder took 514.05ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 80.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:12:03,308 INFO L158 Benchmark]: BuchiAutomizer took 26728.17ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 80.2MB in the beginning and 91.4MB in the end (delta: -11.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-11-23 03:12:03,308 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 178.3MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:12:03,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.84ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 93.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.68ms. Allocated memory is still 146.8MB. Free memory was 93.7MB in the beginning and 92.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.80ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 91.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.05ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 80.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 26728.17ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 80.2MB in the beginning and 91.4MB in the end (delta: -11.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 178.3MB. Free memory is still 91.4MB. There was no memory consumed. 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 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 21 and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[in] + -1 * idx_in and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.6s and 7 iterations. TraceHistogramMax:11. Analysis of lassos took 25.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 23 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp100 ukn71 mio100 lsp36 div137 bol100 ite100 ukn100 eq159 hnf93 smp79 dnf161 smp83 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 88ms VariablesStem: 5 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-23 03:12:03,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:03,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:03,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:03,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:12:04,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a61a38c-7f4a-42eb-9f10-ea2a707d609b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE