./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R --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 64bit --witnessprinter.graph.data.programhash 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 --- 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-38b53e6 [2022-11-25 15:40:35,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:40:35,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:40:35,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:40:35,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:40:35,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:40:35,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:40:35,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:40:35,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:40:35,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:40:35,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:40:35,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:40:35,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:40:35,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:40:35,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:40:35,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:40:35,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:40:35,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:40:35,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:40:35,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:40:35,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:40:35,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:40:35,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:40:35,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:40:35,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:40:35,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:40:35,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:40:35,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:40:35,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:40:35,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:40:35,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:40:35,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:40:35,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:40:35,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:40:35,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:40:35,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:40:35,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:40:35,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:40:35,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:40:35,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:40:35,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:40:35,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:40:35,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:40:35,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:40:35,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:40:35,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:40:35,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:40:35,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:40:35,472 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:40:35,472 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:40:35,473 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:40:35,473 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:40:35,474 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:40:35,475 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:40:35,475 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:40:35,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:40:35,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:40:35,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:40:35,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:40:35,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:40:35,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:40:35,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:40:35,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:40:35,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:40:35,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:40:35,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:40:35,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:40:35,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:40:35,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:40:35,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:40:35,481 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:40:35,481 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_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 [2022-11-25 15:40:35,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:40:35,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:40:35,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:40:35,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:40:35,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:40:35,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-bwb/counting-bits-set.i [2022-11-25 15:40:39,724 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:40:39,971 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:40:39,972 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/sv-benchmarks/c/termination-bwb/counting-bits-set.i [2022-11-25 15:40:39,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/data/00f418a9c/3032648b23d9430d98b48256ec470a42/FLAG03975c827 [2022-11-25 15:40:39,999 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/data/00f418a9c/3032648b23d9430d98b48256ec470a42 [2022-11-25 15:40:40,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:40:40,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:40:40,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:40:40,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:40:40,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:40:40,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a8e037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40, skipping insertion in model container [2022-11-25 15:40:40,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:40:40,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:40:40,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:40:40,210 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:40:40,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:40:40,237 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:40:40,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40 WrapperNode [2022-11-25 15:40:40,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:40:40,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:40:40,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:40:40,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:40:40,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,274 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2022-11-25 15:40:40,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:40:40,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:40:40,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:40:40,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:40:40,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:40:40,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:40:40,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:40:40,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:40:40,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (1/1) ... [2022-11-25 15:40:40,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:40,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:40,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:40,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:40:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:40:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:40:40,503 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:40:40,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:40:40,626 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:40:40,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:40:40,636 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:40:40,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:40 BoogieIcfgContainer [2022-11-25 15:40:40,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:40:40,640 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:40:40,640 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:40:40,645 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:40:40,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:40:40,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:40:40" (1/3) ... [2022-11-25 15:40:40,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c99c72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:40:40, skipping insertion in model container [2022-11-25 15:40:40,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:40:40,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40" (2/3) ... [2022-11-25 15:40:40,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c99c72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:40:40, skipping insertion in model container [2022-11-25 15:40:40,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:40:40,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:40" (3/3) ... [2022-11-25 15:40:40,651 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2022-11-25 15:40:40,746 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:40:40,746 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:40:40,747 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:40:40,747 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:40:40,747 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:40:40,747 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:40:40,747 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:40:40,747 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:40:40,752 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) [2022-11-25 15:40:40,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:40,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:40:40,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:40:40,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 15:40:40,775 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 15:40:40,775 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:40:40,775 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) [2022-11-25 15:40:40,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:40,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:40:40,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:40:40,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 15:40:40,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 15:40:40,784 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 13#L12true assume ~v~0 >= 0;~c~0 := 0; 5#L13-3true [2022-11-25 15:40:40,785 INFO L750 eck$LassoCheckResult]: Loop: 5#L13-3true assume !!(0 != ~v~0); 6#L15true assume 0 == ~v~0;main_#t~nondet2#1 := 0; 10#L15-4true ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 11#L13-2true ~v~0 := ~v~0 / 2; 5#L13-3true [2022-11-25 15:40:40,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:40,791 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-25 15:40:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:40,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800138451] [2022-11-25 15:40:40,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:40,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:40,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:40,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:40,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:40,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1326982, now seen corresponding path program 1 times [2022-11-25 15:40:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:40,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255657020] [2022-11-25 15:40:40,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:41,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:40:41,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255657020] [2022-11-25 15:40:41,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255657020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:40:41,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:40:41,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:40:41,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880584877] [2022-11-25 15:40:41,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:40:41,073 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 15:40:41,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:40:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:40:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:40:41,122 INFO L87 Difference]: Start difference. 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), 2 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) [2022-11-25 15:40:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:40:41,161 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-25 15:40:41,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2022-11-25 15:40:41,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:41,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 9 transitions. [2022-11-25 15:40:41,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-25 15:40:41,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-25 15:40:41,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2022-11-25 15:40:41,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:40:41,223 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-25 15:40:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2022-11-25 15:40:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 15:40:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 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) [2022-11-25 15:40:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-25 15:40:41,287 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-25 15:40:41,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:40:41,305 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-25 15:40:41,305 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:40:41,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-11-25 15:40:41,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:41,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:40:41,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:40:41,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 15:40:41,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 15:40:41,308 INFO L748 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 42#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 46#L12 assume ~v~0 >= 0;~c~0 := 0; 43#L13-3 [2022-11-25 15:40:41,308 INFO L750 eck$LassoCheckResult]: Loop: 43#L13-3 assume !!(0 != ~v~0); 44#L15 assume !(0 == ~v~0); 45#L15-2 assume 1 == ~v~0;main_#t~nondet2#1 := ~v~0; 39#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 40#L13-2 ~v~0 := ~v~0 / 2; 43#L13-3 [2022-11-25 15:40:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:41,309 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2022-11-25 15:40:41,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:41,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873294313] [2022-11-25 15:40:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:41,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:41,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:41,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:41,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:41,326 INFO L85 PathProgramCache]: Analyzing trace with hash 41192145, now seen corresponding path program 1 times [2022-11-25 15:40:41,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:41,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481429219] [2022-11-25 15:40:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:41,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:41,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:41,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:41,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:41,357 INFO L85 PathProgramCache]: Analyzing trace with hash 123261648, now seen corresponding path program 1 times [2022-11-25 15:40:41,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:41,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632381306] [2022-11-25 15:40:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:41,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:41,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:41,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:41,568 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:41,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:41,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:41,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:41,571 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:40:41,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:41,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:41,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:41,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration2_Loop [2022-11-25 15:40:41,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:41,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:41,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:41,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:41,802 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:41,803 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:40:41,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:41,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:41,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:41,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:40:41,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:41,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:40:41,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:41,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:41,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:41,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:40:41,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:40:41,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:41,937 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:40:41,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:41,949 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:41,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:41,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:41,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:41,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:40:41,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:41,950 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:41,950 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:41,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration2_Loop [2022-11-25 15:40:41,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:41,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:41,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:41,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:42,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:42,101 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:40:42,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:42,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:42,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:42,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:40:42,110 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 [2022-11-25 15:40:42,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:40:42,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:40:42,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:40:42,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:40:42,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:40:42,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:40:42,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:40:42,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:40:42,160 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 15:40:42,160 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 15:40:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:42,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:42,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:42,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:40:42,196 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:40:42,200 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 15:40:42,201 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:40:42,201 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-11-25 15:40:42,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-25 15:40:42,211 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 15:40:42,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:42,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:40:42,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:42,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:42,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:42,370 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 [2022-11-25 15:40:42,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:42,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 7 states. [2022-11-25 15:40:42,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:40:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-25 15:40:42,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 5 letters. [2022-11-25 15:40:42,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:42,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 5 letters. [2022-11-25 15:40:42,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:42,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 10 letters. [2022-11-25 15:40:42,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:42,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-11-25 15:40:42,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:42,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 21 transitions. [2022-11-25 15:40:42,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-25 15:40:42,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-25 15:40:42,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-11-25 15:40:42,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:40:42,460 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-25 15:40:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-11-25 15:40:42,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-25 15:40:42,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-25 15:40:42,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-25 15:40:42,466 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-25 15:40:42,466 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 15:40:42,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-25 15:40:42,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:42,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:40:42,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:40:42,473 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:40:42,473 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 15:40:42,474 INFO L748 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 121#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 129#L12 assume ~v~0 >= 0;~c~0 := 0; 131#L13-3 assume !!(0 != ~v~0); 126#L15 assume !(0 == ~v~0); 130#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 116#L15-4 [2022-11-25 15:40:42,474 INFO L750 eck$LassoCheckResult]: Loop: 116#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 117#L13-2 ~v~0 := ~v~0 / 2; 122#L13-3 assume !!(0 != ~v~0); 124#L15 assume !(0 == ~v~0); 127#L15-2 assume 1 == ~v~0;main_#t~nondet2#1 := ~v~0; 116#L15-4 [2022-11-25 15:40:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:42,482 INFO L85 PathProgramCache]: Analyzing trace with hash 889512752, now seen corresponding path program 1 times [2022-11-25 15:40:42,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:42,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976361520] [2022-11-25 15:40:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:42,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:42,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:42,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:42,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:42,530 INFO L85 PathProgramCache]: Analyzing trace with hash 52534605, now seen corresponding path program 2 times [2022-11-25 15:40:42,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:42,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411066542] [2022-11-25 15:40:42,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:42,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:42,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:42,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:42,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:42,577 INFO L85 PathProgramCache]: Analyzing trace with hash -52011138, now seen corresponding path program 1 times [2022-11-25 15:40:42,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:42,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012846537] [2022-11-25 15:40:42,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:42,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:42,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:42,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:42,696 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:42,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:42,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:42,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:42,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:40:42,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:42,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:42,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:42,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration3_Loop [2022-11-25 15:40:42,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:42,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:42,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:42,842 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:42,842 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:40:42,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:42,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:42,844 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:42,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:40:42,856 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:42,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:40:42,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:42,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:42,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:42,896 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:42,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:40:42,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:40:42,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:43,222 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:40:43,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:43,228 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:43,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:43,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:43,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:43,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:40:43,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:43,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:43,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:43,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration3_Loop [2022-11-25 15:40:43,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:43,229 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:43,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:43,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:43,392 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:43,393 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:40:43,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:43,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:43,397 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:43,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:40:43,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:40:43,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:40:43,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:40:43,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:40:43,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:40:43,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:40:43,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:40:43,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:40:43,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:40:43,484 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 15:40:43,484 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 15:40:43,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:43,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:43,493 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:43,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:40:43,502 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:40:43,503 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 15:40:43,503 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:40:43,503 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-11-25 15:40:43,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-25 15:40:43,514 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 15:40:43,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:43,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:40:43,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:43,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:43,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:43,617 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 [2022-11-25 15:40:43,618 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:43,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 7 states. [2022-11-25 15:40:43,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:40:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-25 15:40:43,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 5 letters. [2022-11-25 15:40:43,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:43,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-25 15:40:43,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:43,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 10 letters. [2022-11-25 15:40:43,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:43,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-11-25 15:40:43,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:43,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 28 states and 33 transitions. [2022-11-25 15:40:43,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-25 15:40:43,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-25 15:40:43,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2022-11-25 15:40:43,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:40:43,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-25 15:40:43,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2022-11-25 15:40:43,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2022-11-25 15:40:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-11-25 15:40:43,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-11-25 15:40:43,658 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-11-25 15:40:43,658 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 15:40:43,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2022-11-25 15:40:43,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 15:40:43,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:40:43,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:40:43,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-25 15:40:43,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 15:40:43,661 INFO L748 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 223#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 233#L12 assume ~v~0 >= 0;~c~0 := 0; 234#L13-3 assume !!(0 != ~v~0); 235#L15 assume !(0 == ~v~0); 237#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 236#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 224#L13-2 ~v~0 := ~v~0 / 2; 225#L13-3 assume !!(0 != ~v~0); 228#L15 assume !(0 == ~v~0); 230#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 218#L15-4 [2022-11-25 15:40:43,661 INFO L750 eck$LassoCheckResult]: Loop: 218#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 219#L13-2 ~v~0 := ~v~0 / 2; 243#L13-3 assume !!(0 != ~v~0); 242#L15 assume !(0 == ~v~0); 241#L15-2 assume 1 == ~v~0;main_#t~nondet2#1 := ~v~0; 218#L15-4 [2022-11-25 15:40:43,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:43,662 INFO L85 PathProgramCache]: Analyzing trace with hash -52011136, now seen corresponding path program 1 times [2022-11-25 15:40:43,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:43,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24373000] [2022-11-25 15:40:43,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:43,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:43,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:43,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:43,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash 52534605, now seen corresponding path program 3 times [2022-11-25 15:40:43,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:43,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777561446] [2022-11-25 15:40:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:43,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:43,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:43,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:43,726 INFO L85 PathProgramCache]: Analyzing trace with hash 454432046, now seen corresponding path program 2 times [2022-11-25 15:40:43,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:43,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774071195] [2022-11-25 15:40:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:43,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:43,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:43,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:43,832 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:43,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:43,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:43,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:43,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:40:43,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:43,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:43,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:43,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration4_Loop [2022-11-25 15:40:43,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:43,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:43,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:43,979 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:43,979 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:40:43,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:43,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:43,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:43,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:40:43,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:40:43,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:44,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:44,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:44,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:44,042 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:44,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:40:44,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:40:44,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:44,351 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:40:44,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:44,357 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:44,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:44,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:44,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:44,358 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:40:44,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:44,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:44,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:44,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration4_Loop [2022-11-25 15:40:44,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:44,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:44,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:44,511 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:44,511 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:40:44,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:44,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:44,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:44,526 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 [2022-11-25 15:40:44,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 15:40:44,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:40:44,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:40:44,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:40:44,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:40:44,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:40:44,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:40:44,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:40:44,561 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:40:44,567 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 15:40:44,567 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 15:40:44,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:44,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:44,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:44,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:40:44,583 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 15:40:44,584 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:40:44,584 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2022-11-25 15:40:44,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 15:40:44,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:44,592 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 15:40:44,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:44,731 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 [2022-11-25 15:40:44,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:44,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 7 states. [2022-11-25 15:40:44,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:40:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-25 15:40:44,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-25 15:40:44,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:44,766 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 15:40:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:44,852 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 15:40:44,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:44,873 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 7 states. [2022-11-25 15:40:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:40:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-25 15:40:44,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-25 15:40:44,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:44,876 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 15:40:44,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:44,975 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 15:40:44,975 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:45,019 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 52 transitions. Complement of second has 11 states. [2022-11-25 15:40:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:40:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-25 15:40:45,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-25 15:40:45,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:45,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 5 letters. [2022-11-25 15:40:45,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:45,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 10 letters. [2022-11-25 15:40:45,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:45,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2022-11-25 15:40:45,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2022-11-25 15:40:45,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 33 states and 39 transitions. [2022-11-25 15:40:45,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-25 15:40:45,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-25 15:40:45,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2022-11-25 15:40:45,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:40:45,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-11-25 15:40:45,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2022-11-25 15:40:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 19. [2022-11-25 15:40:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-11-25 15:40:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-11-25 15:40:45,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-25 15:40:45,048 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-25 15:40:45,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 15:40:45,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-11-25 15:40:45,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-11-25 15:40:45,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:40:45,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:40:45,050 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 15:40:45,051 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 15:40:45,051 INFO L748 eck$LassoCheckResult]: Stem: 554#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 562#L12 assume ~v~0 >= 0;~c~0 := 0; 563#L13-3 assume !!(0 != ~v~0); 558#L15 [2022-11-25 15:40:45,052 INFO L750 eck$LassoCheckResult]: Loop: 558#L15 assume !(0 == ~v~0); 560#L15-2 assume !(1 == ~v~0);main_#t~nondet2#1 := ~bitwiseAnd(~v~0, 1);assume ~v~0 < 0 || (main_#t~nondet2#1 <= ~v~0 && main_#t~nondet2#1 <= 1);assume main_#t~nondet2#1 >= 0;assume ~v~0 >= 0 || main_#t~nondet2#1 > 1 + ~v~0; 550#L15-4 ~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;~c~0 := ~c~0 + ~z~0; 552#L13-2 ~v~0 := ~v~0 / 2; 556#L13-3 assume !!(0 != ~v~0); 558#L15 [2022-11-25 15:40:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash 925611, now seen corresponding path program 1 times [2022-11-25 15:40:45,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:45,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691135260] [2022-11-25 15:40:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:45,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:45,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:45,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:45,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:45,072 INFO L85 PathProgramCache]: Analyzing trace with hash 45962597, now seen corresponding path program 1 times [2022-11-25 15:40:45,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:45,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583026687] [2022-11-25 15:40:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:45,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:45,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:45,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:45,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:45,103 INFO L85 PathProgramCache]: Analyzing trace with hash -473796613, now seen corresponding path program 2 times [2022-11-25 15:40:45,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:45,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214657321] [2022-11-25 15:40:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:45,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:45,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:45,237 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:45,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:45,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:45,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:45,238 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:40:45,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:45,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:45,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:45,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration5_Loop [2022-11-25 15:40:45,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:45,239 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:45,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:45,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:45,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:45,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-25 15:40:45,520 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:45,520 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:40:45,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:45,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:45,526 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:45,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:40:45,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:45,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 15:40:45,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:45,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:45,588 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:45,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:40:45,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:45,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 15:40:45,893 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:40:45,893 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=-1, ~z~0=0, ~c~0=0} Honda state: {~v~0=-1, ~z~0=0, ~c~0=0} Generalized eigenvectors: [{~v~0=0, ~z~0=2, ~c~0=1}, {~v~0=0, ~z~0=1, ~c~0=2}, {~v~0=0, ~z~0=0, ~c~0=0}] Lambdas: [0, 2, 14] Nus: [1, 1] [2022-11-25 15:40:45,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:45,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:45,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:45,945 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:46,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 15:40:46,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:40:46,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:46,056 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:40:46,056 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:40:46,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:46,116 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:46,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:46,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:46,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:46,116 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:40:46,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:46,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:46,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:46,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration5_Lasso [2022-11-25 15:40:46,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:46,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:46,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:46,532 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:40:46,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:46,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:46,536 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:46,545 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:40:46,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:46,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 15:40:46,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:46,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:46,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:46,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:46,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:40:46,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:40:46,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 15:40:46,970 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:40:46,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:46,976 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:40:46,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:40:46,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:40:46,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:40:46,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:40:46,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:46,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:40:46,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:40:46,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration5_Lasso [2022-11-25 15:40:46,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:40:46,977 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:40:46,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:46,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:47,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:47,035 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:47,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:47,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:40:47,335 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:40:47,335 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:40:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:47,337 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 15:40:47,348 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 [2022-11-25 15:40:47,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:40:47,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:40:47,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:40:47,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:40:47,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:40:47,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:40:47,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:40:47,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:40:47,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:47,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:47,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:47,386 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:47,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 15:40:47,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:40:47,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:40:47,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:40:47,417 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 15:40:47,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:40:47,446 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-25 15:40:47,446 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-25 15:40:47,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:40:47,531 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-25 15:40:47,532 INFO L444 ModelExtractionUtils]: 11 out of 21 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-25 15:40:47,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:40:47,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:47,536 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:47,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:40:47,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 15:40:47,579 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-25 15:40:47,579 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:40:47,579 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [1*~v~0 >= 0] [2022-11-25 15:40:47,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:47,593 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-25 15:40:47,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:47,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:40:47,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:47,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:40:47,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:47,831 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2022-11-25 15:40:47,831 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 1.5) 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) [2022-11-25 15:40:47,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 1.5) 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) Result 40 states and 47 transitions. Complement of second has 7 states. [2022-11-25 15:40:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:40:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) 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) [2022-11-25 15:40:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-25 15:40:47,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 5 letters. [2022-11-25 15:40:47,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:47,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 5 letters. [2022-11-25 15:40:47,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:47,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 10 letters. [2022-11-25 15:40:47,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:40:47,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 47 transitions. [2022-11-25 15:40:47,904 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:40:47,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2022-11-25 15:40:47,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:40:47,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:40:47,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:40:47,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:40:47,905 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:40:47,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:40:47,906 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:40:47,906 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 15:40:47,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:40:47,906 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:40:47,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:40:47,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:40:47 BoogieIcfgContainer [2022-11-25 15:40:47,916 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:40:47,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:40:47,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:40:47,917 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:40:47,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:40" (3/4) ... [2022-11-25 15:40:47,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:40:47,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:40:47,921 INFO L158 Benchmark]: Toolchain (without parser) took 7916.44ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 89.5MB in the beginning and 74.6MB in the end (delta: 14.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-11-25 15:40:47,922 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:47,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.20ms. Allocated memory is still 132.1MB. Free memory was 89.5MB in the beginning and 80.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:40:47,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.87ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 79.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:47,923 INFO L158 Benchmark]: Boogie Preprocessor took 25.59ms. Allocated memory is still 132.1MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:47,924 INFO L158 Benchmark]: RCFGBuilder took 336.82ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 69.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:40:47,925 INFO L158 Benchmark]: BuchiAutomizer took 7276.07ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 68.5MB in the beginning and 75.5MB in the end (delta: -7.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-11-25 15:40:47,925 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 180.4MB. Free memory was 75.5MB in the beginning and 74.6MB in the end (delta: 961.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:47,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.20ms. Allocated memory is still 132.1MB. Free memory was 89.5MB in the beginning and 80.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.87ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 79.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.59ms. Allocated memory is still 132.1MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.82ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 69.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7276.07ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 68.5MB in the beginning and 75.5MB in the end (delta: -7.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 180.4MB. Free memory was 75.5MB in the beginning and 74.6MB in the end (delta: 961.4kB). 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function v and consists of 4 locations. One deterministic module has affine ranking function v and consists of 4 locations. One deterministic module has affine ranking function v and consists of 5 locations. One nondeterministic module has affine ranking function v and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 5.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 64 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div244 bol100 ite100 ukn100 eq134 hnf94 smp66 dnf244 smp75 tf103 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 194ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:40:47,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:48,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3e70d4-f24c-4c56-bfa8-7a57c7610808/bin/uautomizer-ZsLfNo2U6R/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