./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:34:30,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:34:31,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 05:34:31,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:34:31,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:34:31,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:34:31,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:34:31,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:34:31,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:34:31,098 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:34:31,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:34:31,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:34:31,100 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:34:31,100 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:34:31,101 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:34:31,101 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:34:31,102 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:34:31,102 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:34:31,103 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:34:31,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:34:31,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:34:31,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:34:31,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:34:31,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:34:31,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:34:31,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:34:31,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:34:31,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:34:31,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:34:31,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:34:31,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:34:31,113 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:34:31,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:34:31,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:34:31,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:34:31,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:34:31,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:34:31,115 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:34:31,115 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b [2023-11-29 05:34:31,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:34:31,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:34:31,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:34:31,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:34:31,412 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:34:31,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2023-11-29 05:34:34,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:34:34,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:34:34,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2023-11-29 05:34:34,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/data/56e1d8b63/a19a1542ec93422ba43b6e14abbe9ded/FLAG5bd25417d [2023-11-29 05:34:34,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/data/56e1d8b63/a19a1542ec93422ba43b6e14abbe9ded [2023-11-29 05:34:34,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:34:34,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:34:34,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:34:34,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:34:34,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:34:34,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:34,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485154d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34, skipping insertion in model container [2023-11-29 05:34:34,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:34,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:34:34,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:34:34,894 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:34:34,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:34:34,952 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:34:34,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34 WrapperNode [2023-11-29 05:34:34,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:34:34,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:34:34,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:34:34,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:34:34,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:34,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,010 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 416 [2023-11-29 05:34:35,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:34:35,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:34:35,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:34:35,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:34:35,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,039 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:34:35,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:34:35,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:34:35,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:34:35,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:34:35,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (1/1) ... [2023-11-29 05:34:35,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:35,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:35,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:35,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:34:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:34:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:34:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:34:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:34:35,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:34:35,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:34:35,802 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:34:35,815 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:34:35,815 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 05:34:35,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:35 BoogieIcfgContainer [2023-11-29 05:34:35,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:34:35,818 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:34:35,819 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:34:35,822 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:34:35,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:34:35,823 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:34:34" (1/3) ... [2023-11-29 05:34:35,823 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ddfdd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:34:35, skipping insertion in model container [2023-11-29 05:34:35,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:34:35,824 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:34" (2/3) ... [2023-11-29 05:34:35,824 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ddfdd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:34:35, skipping insertion in model container [2023-11-29 05:34:35,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:34:35,824 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:35" (3/3) ... [2023-11-29 05:34:35,825 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_4-2a.c.cil.c [2023-11-29 05:34:35,874 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:34:35,874 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:34:35,874 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:34:35,874 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:34:35,874 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:34:35,875 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:34:35,875 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:34:35,875 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:34:35,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.6583333333333334) internal successors, (199), 120 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:35,908 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-29 05:34:35,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:34:35,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:34:35,915 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 05:34:35,915 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:34:35,915 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:34:35,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.6583333333333334) internal successors, (199), 120 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:35,925 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-29 05:34:35,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:34:35,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:34:35,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 05:34:35,926 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:34:35,934 INFO L748 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 67#L30true assume !(0 == base2flt_~m#1 % 4294967296); 114#L36true assume !(base2flt_~m#1 % 4294967296 < 16777216); 21#L58-2true [2023-11-29 05:34:35,935 INFO L750 eck$LassoCheckResult]: Loop: 21#L58-2true assume !false; 96#L59true assume base2flt_~m#1 % 4294967296 >= 33554432; 118#L60true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 21#L58-2true [2023-11-29 05:34:35,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:35,941 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2023-11-29 05:34:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:35,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710084532] [2023-11-29 05:34:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:34:36,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:34:36,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710084532] [2023-11-29 05:34:36,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710084532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:36,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:36,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:34:36,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020517728] [2023-11-29 05:34:36,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:36,178 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:34:36,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2023-11-29 05:34:36,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:36,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409986163] [2023-11-29 05:34:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:36,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:36,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:36,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:36,259 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:36,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:36,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:36,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:36,261 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:34:36,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:36,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:36,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration1_Loop [2023-11-29 05:34:36,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:36,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:36,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:36,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:36,426 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:36,427 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:34:36,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:36,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:36,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:34:36,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:34:36,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:36,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 05:34:36,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:36,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:36,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:34:36,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:34:36,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:36,511 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 05:34:36,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 05:34:36,515 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:36,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:36,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:36,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:36,516 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:34:36,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:36,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:36,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration1_Loop [2023-11-29 05:34:36,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:36,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:36,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:36,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:36,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:36,643 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:34:36,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:36,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:36,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:34:36,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:36,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:36,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:36,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:36,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:36,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:36,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:36,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:36,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:34:36,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-29 05:34:36,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:36,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:36,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:34:36,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:36,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:36,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:36,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:36,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:36,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:36,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:36,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:36,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:34:36,708 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 05:34:36,708 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 05:34:36,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:36,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:36,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:36,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:34:36,752 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:34:36,752 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 05:34:36,752 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:34:36,753 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-29 05:34:36,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 05:34:36,761 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 05:34:36,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:36,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:34:36,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:36,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:36,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:34:36,864 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 05:34:36,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 121 states, 120 states have (on average 1.6583333333333334) internal successors, (199), 120 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:36,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 05:34:36,977 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 121 states, 120 states have (on average 1.6583333333333334) internal successors, (199), 120 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 363 states and 590 transitions. Complement of second has 6 states. [2023-11-29 05:34:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:34:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 384 transitions. [2023-11-29 05:34:36,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 384 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-29 05:34:36,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:36,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 384 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 05:34:36,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:36,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 384 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-29 05:34:36,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:36,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 590 transitions. [2023-11-29 05:34:36,999 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2023-11-29 05:34:37,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 77 states and 118 transitions. [2023-11-29 05:34:37,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2023-11-29 05:34:37,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2023-11-29 05:34:37,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 118 transitions. [2023-11-29 05:34:37,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:34:37,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 118 transitions. [2023-11-29 05:34:37,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 118 transitions. [2023-11-29 05:34:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 61. [2023-11-29 05:34:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 60 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 97 transitions. [2023-11-29 05:34:37,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 97 transitions. [2023-11-29 05:34:37,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:34:37,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:34:37,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:34:37,037 INFO L87 Difference]: Start difference. First operand 61 states and 97 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:37,087 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2023-11-29 05:34:37,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2023-11-29 05:34:37,088 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 05:34:37,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 40 transitions. [2023-11-29 05:34:37,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-29 05:34:37,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-29 05:34:37,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2023-11-29 05:34:37,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:34:37,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 05:34:37,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2023-11-29 05:34:37,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 05:34:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2023-11-29 05:34:37,093 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 05:34:37,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:34:37,094 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 05:34:37,095 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:34:37,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2023-11-29 05:34:37,095 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 05:34:37,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:34:37,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:34:37,096 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:37,096 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:34:37,096 INFO L748 eck$LassoCheckResult]: Stem: 645#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 628#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 622#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 623#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 629#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 639#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 636#L36-1 assume base2flt_~m#1 % 4294967296 < 16777216; 620#L48-3 [2023-11-29 05:34:37,097 INFO L750 eck$LassoCheckResult]: Loop: 620#L48-3 assume !false; 633#L39-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 619#L48-2 assume base2flt_~m#1 % 4294967296 < 16777216; 620#L48-3 [2023-11-29 05:34:37,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335815, now seen corresponding path program 1 times [2023-11-29 05:34:37,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:37,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313827137] [2023-11-29 05:34:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:37,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:37,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,130 INFO L85 PathProgramCache]: Analyzing trace with hash 134251, now seen corresponding path program 1 times [2023-11-29 05:34:37,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:37,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305005162] [2023-11-29 05:34:37,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:37,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:37,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,144 INFO L85 PathProgramCache]: Analyzing trace with hash 631346469, now seen corresponding path program 1 times [2023-11-29 05:34:37,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:37,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836088677] [2023-11-29 05:34:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:37,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:37,218 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:37,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:37,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:37,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:37,219 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:34:37,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:37,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:37,220 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration2_Loop [2023-11-29 05:34:37,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:37,220 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:37,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:37,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:37,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:37,365 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:34:37,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:37,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:37,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:34:37,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:34:37,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:37,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 05:34:37,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:37,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:37,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:34:37,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:34:37,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:37,426 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 05:34:37,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:34:37,430 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:37,430 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:37,430 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:37,430 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:37,430 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:34:37,430 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,431 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:37,431 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:37,431 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration2_Loop [2023-11-29 05:34:37,431 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:37,431 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:37,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:37,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:37,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:37,577 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:34:37,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:37,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:37,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:34:37,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:37,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:37,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:37,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:37,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:37,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:37,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:37,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:37,600 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:34:37,602 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 05:34:37,603 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 05:34:37,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:37,604 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:37,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:34:37,618 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:34:37,618 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 05:34:37,618 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:34:37,618 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2023-11-29 05:34:37,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 05:34:37,623 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 05:34:37,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:37,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:34:37,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:37,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:37,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:34:37,720 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:34:37,720 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:37,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 79 transitions. Complement of second has 5 states. [2023-11-29 05:34:37,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:34:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2023-11-29 05:34:37,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 05:34:37,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:37,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 05:34:37,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:37,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-29 05:34:37,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:37,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 79 transitions. [2023-11-29 05:34:37,754 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2023-11-29 05:34:37,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 66 transitions. [2023-11-29 05:34:37,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2023-11-29 05:34:37,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2023-11-29 05:34:37,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 66 transitions. [2023-11-29 05:34:37,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:34:37,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 66 transitions. [2023-11-29 05:34:37,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 66 transitions. [2023-11-29 05:34:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2023-11-29 05:34:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-29 05:34:37,759 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 05:34:37,759 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 05:34:37,760 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 05:34:37,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2023-11-29 05:34:37,760 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-29 05:34:37,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:34:37,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:34:37,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:37,761 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:34:37,761 INFO L748 eck$LassoCheckResult]: Stem: 784#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 765#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 759#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 760#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 766#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 778#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 774#L36-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 763#L58-5 [2023-11-29 05:34:37,762 INFO L750 eck$LassoCheckResult]: Loop: 763#L58-5 assume !false; 769#L59-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 761#L60-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 763#L58-5 [2023-11-29 05:34:37,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335841, now seen corresponding path program 1 times [2023-11-29 05:34:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:37,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333296124] [2023-11-29 05:34:37,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:37,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash 160010, now seen corresponding path program 1 times [2023-11-29 05:34:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:37,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627402682] [2023-11-29 05:34:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:37,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:37,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:37,803 INFO L85 PathProgramCache]: Analyzing trace with hash 632146794, now seen corresponding path program 1 times [2023-11-29 05:34:37,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:37,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103223176] [2023-11-29 05:34:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:37,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:37,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:37,868 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:37,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:37,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:37,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:37,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:34:37,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:37,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:37,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration3_Loop [2023-11-29 05:34:37,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:37,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:37,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:37,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:37,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:37,976 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:34:37,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:37,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:37,988 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 05:34:38,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:34:38,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:38,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 05:34:38,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,026 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 05:34:38,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:34:38,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:38,058 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 05:34:38,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-29 05:34:38,062 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:38,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:38,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:38,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:38,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:34:38,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:38,063 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:38,063 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration3_Loop [2023-11-29 05:34:38,063 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:38,063 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:38,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,171 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:38,172 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:34:38,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,173 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 05:34:38,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:38,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:38,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:38,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:38,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:38,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:38,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:38,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:38,196 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:34:38,199 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 05:34:38,199 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 05:34:38,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,203 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 05:34:38,209 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:34:38,209 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 05:34:38,209 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:34:38,209 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-29 05:34:38,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 05:34:38,214 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 05:34:38,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:38,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:34:38,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:38,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:38,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:34:38,265 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 05:34:38,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:38,291 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 82 transitions. Complement of second has 5 states. [2023-11-29 05:34:38,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:34:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-11-29 05:34:38,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 05:34:38,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:38,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 05:34:38,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:38,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-29 05:34:38,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:38,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2023-11-29 05:34:38,295 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 05:34:38,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 69 transitions. [2023-11-29 05:34:38,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2023-11-29 05:34:38,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2023-11-29 05:34:38,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 69 transitions. [2023-11-29 05:34:38,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:34:38,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-29 05:34:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 69 transitions. [2023-11-29 05:34:38,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2023-11-29 05:34:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2023-11-29 05:34:38,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-29 05:34:38,299 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-29 05:34:38,300 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 05:34:38,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2023-11-29 05:34:38,300 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-29 05:34:38,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:34:38,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:34:38,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:38,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:34:38,301 INFO L748 eck$LassoCheckResult]: Stem: 927#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 906#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 899#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 900#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 907#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 921#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 902#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 905#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 893#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 894#L36-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 908#L58-8 [2023-11-29 05:34:38,301 INFO L750 eck$LassoCheckResult]: Loop: 908#L58-8 assume !false; 923#L59-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 924#L60-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 908#L58-8 [2023-11-29 05:34:38,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,302 INFO L85 PathProgramCache]: Analyzing trace with hash 631832054, now seen corresponding path program 1 times [2023-11-29 05:34:38,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:38,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747711517] [2023-11-29 05:34:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:38,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:38,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,325 INFO L85 PathProgramCache]: Analyzing trace with hash 245408, now seen corresponding path program 1 times [2023-11-29 05:34:38,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:38,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077443344] [2023-11-29 05:34:38,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:38,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:38,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1932722037, now seen corresponding path program 1 times [2023-11-29 05:34:38,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675519706] [2023-11-29 05:34:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:38,401 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:38,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:38,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:38,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:38,402 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:34:38,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:38,402 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:38,402 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration4_Loop [2023-11-29 05:34:38,402 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:38,402 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:38,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 05:34:38,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:34:38,537 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:38,538 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:34:38,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,539 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 05:34:38,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:34:38,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:38,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 05:34:38,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,569 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 05:34:38,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:34:38,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:38,604 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 05:34:38,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 05:34:38,609 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:38,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:38,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:38,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:38,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:34:38,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:38,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:38,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration4_Loop [2023-11-29 05:34:38,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:38,610 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:38,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,715 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:38,715 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:34:38,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,717 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 05:34:38,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:38,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:38,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:38,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:38,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:38,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:38,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:38,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:38,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:34:38,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 05:34:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,752 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 05:34:38,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:38,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:38,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:38,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:38,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:38,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:38,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:38,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:38,774 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:34:38,779 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 05:34:38,779 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 05:34:38,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:38,781 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:38,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 05:34:38,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:34:38,789 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 05:34:38,789 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:34:38,789 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-29 05:34:38,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 05:34:38,794 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 05:34:38,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:38,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:34:38,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:38,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:38,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:34:38,858 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 05:34:38,858 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:38,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 52 transitions. Complement of second has 4 states. [2023-11-29 05:34:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:34:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2023-11-29 05:34:38,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 05:34:38,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:38,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-29 05:34:38,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:38,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-29 05:34:38,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:38,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2023-11-29 05:34:38,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:34:38,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 32 states and 44 transitions. [2023-11-29 05:34:38,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-29 05:34:38,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-29 05:34:38,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2023-11-29 05:34:38,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:34:38,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 05:34:38,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2023-11-29 05:34:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-29 05:34:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-29 05:34:38,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 05:34:38,873 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 05:34:38,873 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 05:34:38,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2023-11-29 05:34:38,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:34:38,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:34:38,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:34:38,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:38,874 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:34:38,874 INFO L748 eck$LassoCheckResult]: Stem: 1054#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 1036#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1029#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1030#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 1037#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1050#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1032#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1035#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1023#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 1024#L36-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1038#L48-5 [2023-11-29 05:34:38,874 INFO L750 eck$LassoCheckResult]: Loop: 1038#L48-5 assume !false; 1052#L39-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1051#L48-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1038#L48-5 [2023-11-29 05:34:38,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash 631832028, now seen corresponding path program 1 times [2023-11-29 05:34:38,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:38,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480232995] [2023-11-29 05:34:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:38,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:38,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,896 INFO L85 PathProgramCache]: Analyzing trace with hash 219649, now seen corresponding path program 1 times [2023-11-29 05:34:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:38,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113116428] [2023-11-29 05:34:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:38,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:38,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1933522362, now seen corresponding path program 1 times [2023-11-29 05:34:38,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:38,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449186021] [2023-11-29 05:34:38,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:38,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:34:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:34:38,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:34:38,967 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:38,967 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:38,967 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:38,967 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:38,967 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:34:38,967 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:38,967 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:38,967 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:38,967 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration5_Loop [2023-11-29 05:34:38,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:38,968 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:38,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:38,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:39,076 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:39,077 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:34:39,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:39,078 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:39,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 05:34:39,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:34:39,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:39,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:34:39,102 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 05:34:39,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 05:34:39,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:39,107 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:39,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 05:34:39,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:34:39,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:39,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 05:34:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:39,128 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:39,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 05:34:39,131 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:34:39,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:34:39,159 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 05:34:39,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 05:34:39,163 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:34:39,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:34:39,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:34:39,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:34:39,164 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:34:39,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:34:39,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:34:39,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-2a.c.cil.c_Iteration5_Loop [2023-11-29 05:34:39,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:34:39,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:34:39,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:39,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:34:39,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:34:39,299 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:34:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:39,301 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:39,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 05:34:39,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:39,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:39,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:39,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:39,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:39,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:39,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:39,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:39,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:34:39,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 05:34:39,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:39,333 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:39,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 05:34:39,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:34:39,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:34:39,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:34:39,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:34:39,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:34:39,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:34:39,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:34:39,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:34:39,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:34:39,360 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 05:34:39,360 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 05:34:39,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:34:39,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:39,362 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:39,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 05:34:39,366 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:34:39,366 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 05:34:39,366 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:34:39,366 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2023-11-29 05:34:39,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 05:34:39,371 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 05:34:39,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:39,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:34:39,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:39,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:39,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:34:39,458 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:34:39,458 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:39,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 48 transitions. Complement of second has 4 states. [2023-11-29 05:34:39,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:34:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:34:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2023-11-29 05:34:39,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 05:34:39,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:39,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-29 05:34:39,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:39,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-29 05:34:39,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:34:39,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2023-11-29 05:34:39,469 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:34:39,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2023-11-29 05:34:39,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 05:34:39,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 05:34:39,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 05:34:39,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:34:39,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:34:39,469 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:34:39,470 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:34:39,470 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 05:34:39,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:34:39,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:34:39,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 05:34:39,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:34:39 BoogieIcfgContainer [2023-11-29 05:34:39,479 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:34:39,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:34:39,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:34:39,480 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:34:39,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:35" (3/4) ... [2023-11-29 05:34:39,483 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:34:39,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:34:39,485 INFO L158 Benchmark]: Toolchain (without parser) took 4860.66ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 96.8MB in the beginning and 74.6MB in the end (delta: 22.2MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-11-29 05:34:39,485 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:34:39,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.41ms. Allocated memory is still 134.2MB. Free memory was 96.8MB in the beginning and 83.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:34:39,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.36ms. Allocated memory is still 134.2MB. Free memory was 83.7MB in the beginning and 80.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:34:39,487 INFO L158 Benchmark]: Boogie Preprocessor took 51.21ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 77.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:34:39,487 INFO L158 Benchmark]: RCFGBuilder took 754.69ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 102.7MB in the end (delta: -25.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-29 05:34:39,488 INFO L158 Benchmark]: BuchiAutomizer took 3661.01ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 101.8MB in the beginning and 75.6MB in the end (delta: 26.2MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2023-11-29 05:34:39,488 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 169.9MB. Free memory was 75.6MB in the beginning and 74.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:34:39,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.41ms. Allocated memory is still 134.2MB. Free memory was 96.8MB in the beginning and 83.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.36ms. Allocated memory is still 134.2MB. Free memory was 83.7MB in the beginning and 80.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.21ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 77.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.69ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 102.7MB in the end (delta: -25.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3661.01ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 101.8MB in the beginning and 75.6MB in the end (delta: 26.2MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 169.9MB. Free memory was 75.6MB in the beginning and 74.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function ((2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function ((2 * e) + 255) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 49 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 [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 382 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div611 bol100 ite100 ukn100 eq131 hnf96 smp40 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 05:34:39,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 05:34:39,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-29 05:34:39,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e054a5-ec2c-45a8-a794-d6724b88a872/bin/uautomizer-verify-BQ2R08f2Ya/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