./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB --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 c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:20:34,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:20:34,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 05:20:34,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:20:34,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:20:34,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:20:34,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:20:34,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:20:34,868 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:20:34,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:20:34,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:20:34,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:20:34,869 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:20:34,869 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:20:34,869 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:20:34,869 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:20:34,869 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:20:34,870 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:20:34,870 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:20:34,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:20:34,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:20:34,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:20:34,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:20:34,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:20:34,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:20:34,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:20:34,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:20:34,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:20:34,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:20:34,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:20:34,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:20:34,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:20:34,874 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:20:34,874 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB 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 -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2024-11-28 05:20:35,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:20:35,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:20:35,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:20:35,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:20:35,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:20:35,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-11-28 05:20:38,501 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/data/742e9a08d/6bd3339de40d44a6ac3c046316da9cf3/FLAGf3a981a4c [2024-11-28 05:20:38,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:20:38,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-11-28 05:20:38,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/data/742e9a08d/6bd3339de40d44a6ac3c046316da9cf3/FLAGf3a981a4c [2024-11-28 05:20:38,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/data/742e9a08d/6bd3339de40d44a6ac3c046316da9cf3 [2024-11-28 05:20:38,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:20:38,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:20:38,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:20:38,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:20:38,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:20:38,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:20:38" (1/1) ... [2024-11-28 05:20:38,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512cb27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:38, skipping insertion in model container [2024-11-28 05:20:38,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:20:38" (1/1) ... [2024-11-28 05:20:38,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:20:39,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:20:39,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:20:39,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:20:39,356 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:20:39,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39 WrapperNode [2024-11-28 05:20:39,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:20:39,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:20:39,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:20:39,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:20:39,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,416 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 385 [2024-11-28 05:20:39,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:20:39,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:20:39,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:20:39,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:20:39,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,460 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]. [2024-11-28 05:20:39,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:20:39,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:20:39,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:20:39,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:20:39,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (1/1) ... [2024-11-28 05:20:39,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:39,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:39,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:39,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:20:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:20:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:20:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:20:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:20:39,714 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:20:39,716 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:20:40,585 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-28 05:20:40,588 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:20:40,612 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:20:40,615 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-28 05:20:40,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:40 BoogieIcfgContainer [2024-11-28 05:20:40,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:20:40,616 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:20:40,616 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:20:40,621 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:20:40,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:20:40,622 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:20:38" (1/3) ... [2024-11-28 05:20:40,623 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74378572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:20:40, skipping insertion in model container [2024-11-28 05:20:40,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:20:40,623 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:39" (2/3) ... [2024-11-28 05:20:40,624 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74378572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:20:40, skipping insertion in model container [2024-11-28 05:20:40,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:20:40,624 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:40" (3/3) ... [2024-11-28 05:20:40,625 INFO L363 chiAutomizerObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2024-11-28 05:20:40,683 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:20:40,683 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:20:40,683 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:20:40,683 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:20:40,683 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:20:40,683 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:20:40,683 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:20:40,684 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:20:40,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 129 states, 128 states have (on average 1.625) internal successors, (208), 128 states have internal predecessors, (208), 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) [2024-11-28 05:20:40,718 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2024-11-28 05:20:40,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:40,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:40,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 05:20:40,726 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:20:40,726 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 05:20:40,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 129 states, 128 states have (on average 1.625) internal successors, (208), 128 states have internal predecessors, (208), 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) [2024-11-28 05:20:40,734 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2024-11-28 05:20:40,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:40,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:40,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 05:20:40,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:20:40,742 INFO L747 eck$LassoCheckResult]: Stem: "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);" "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_~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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#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_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume !(base2flt_~m#1 % 4294967296 < 16777216);" [2024-11-28 05:20:40,743 INFO L749 eck$LassoCheckResult]: Loop: "assume base2flt_~m#1 % 4294967296 >= 33554432;" "assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2;" [2024-11-28 05:20:40,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:40,749 INFO L85 PathProgramCache]: Analyzing trace with hash 925694, now seen corresponding path program 1 times [2024-11-28 05:20:40,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:40,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899364469] [2024-11-28 05:20:40,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:40,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:41,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:20:41,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899364469] [2024-11-28 05:20:41,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899364469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:20:41,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275374080] [2024-11-28 05:20:41,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:41,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:20:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:41,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:20:41,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:20:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:41,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:20:41,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:41,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:20:41,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275374080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:20:41,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:20:41,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 3 [2024-11-28 05:20:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400927248] [2024-11-28 05:20:41,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:20:41,218 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:20:41,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:41,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2409, now seen corresponding path program 1 times [2024-11-28 05:20:41,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:41,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803399718] [2024-11-28 05:20:41,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:41,239 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:41,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:41,353 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:41,354 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:41,354 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:41,354 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:41,355 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:20:41,355 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,355 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:41,355 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:41,355 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2024-11-28 05:20:41,355 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:41,356 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:41,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:41,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:41,574 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:41,575 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:20:41,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:41,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 05:20:41,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:41,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:41,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:41,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:41,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:41,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 05:20:41,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:20:41,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:41,680 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:20:41,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 05:20:41,685 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:41,685 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:41,685 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:41,685 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:41,685 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:20:41,686 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,686 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:41,686 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:41,686 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2024-11-28 05:20:41,686 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:41,686 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:41,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:41,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:41,861 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:41,867 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:20:41,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:41,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:41,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 05:20:41,882 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 [2024-11-28 05:20:41,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:41,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:41,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:41,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:41,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:41,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:41,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:41,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:20:41,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 05:20:41,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:41,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:41,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 05:20:41,945 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 [2024-11-28 05:20:41,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:41,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:41,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:41,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:41,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:41,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:41,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:41,966 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:20:41,973 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:20:41,976 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:20:41,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:41,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:41,990 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:41,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 05:20:42,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:20:42,001 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:20:42,001 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:20:42,002 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-28 05:20:42,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 05:20:42,017 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:20:42,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:42,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:20:42,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:42,116 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:20:42,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:42,167 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 [2024-11-28 05:20:42,169 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 129 states, 128 states have (on average 1.625) internal successors, (208), 128 states have internal predecessors, (208), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-28 05:20:42,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 129 states, 128 states have (on average 1.625) internal successors, (208), 128 states have internal predecessors, (208), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 386 states and 614 transitions. Complement of second has 6 states. [2024-11-28 05:20:42,376 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 [2024-11-28 05:20:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-28 05:20:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 400 transitions. [2024-11-28 05:20:42,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 400 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 05:20:42,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:42,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 400 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 05:20:42,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:42,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 400 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-28 05:20:42,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:42,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 386 states and 614 transitions. [2024-11-28 05:20:42,422 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 18 [2024-11-28 05:20:42,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 386 states to 74 states and 116 transitions. [2024-11-28 05:20:42,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2024-11-28 05:20:42,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2024-11-28 05:20:42,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 116 transitions. [2024-11-28 05:20:42,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:20:42,436 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 116 transitions. [2024-11-28 05:20:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 116 transitions. [2024-11-28 05:20:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 58. [2024-11-28 05:20:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.6379310344827587) internal successors, (95), 57 states have internal predecessors, (95), 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) [2024-11-28 05:20:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 95 transitions. [2024-11-28 05:20:42,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 95 transitions. [2024-11-28 05:20:42,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:20:42,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:20:42,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:20:42,471 INFO L87 Difference]: Start difference. First operand 58 states and 95 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-28 05:20:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:42,595 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2024-11-28 05:20:42,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2024-11-28 05:20:42,597 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-28 05:20:42,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 40 transitions. [2024-11-28 05:20:42,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-11-28 05:20:42,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-11-28 05:20:42,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2024-11-28 05:20:42,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:20:42,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2024-11-28 05:20:42,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2024-11-28 05:20:42,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-11-28 05:20:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 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) [2024-11-28 05:20:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2024-11-28 05:20:42,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 38 transitions. [2024-11-28 05:20:42,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:20:42,605 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2024-11-28 05:20:42,605 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 05:20:42,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 38 transitions. [2024-11-28 05:20:42,606 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-28 05:20:42,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:42,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:42,607 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:42,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:20:42,607 INFO L747 eck$LassoCheckResult]: Stem: "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);" "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_~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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#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_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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~bitwise4#1, base2flt_#t~bitwise5#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume !(base2flt_~m#1 % 4294967296 < 16777216);" [2024-11-28 05:20:42,608 INFO L749 eck$LassoCheckResult]: Loop: "assume base2flt_~m#1 % 4294967296 >= 33554432;" "assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2;" [2024-11-28 05:20:42,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:42,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1807274271, now seen corresponding path program 1 times [2024-11-28 05:20:42,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:42,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761982519] [2024-11-28 05:20:42,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:42,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:42,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:42,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:42,640 INFO L85 PathProgramCache]: Analyzing trace with hash 5097, now seen corresponding path program 1 times [2024-11-28 05:20:42,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:42,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604007253] [2024-11-28 05:20:42,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:42,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:42,657 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:42,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:42,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:42,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1623790983, now seen corresponding path program 1 times [2024-11-28 05:20:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:42,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213712358] [2024-11-28 05:20:42,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:42,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:42,694 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:42,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:42,773 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:42,773 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:42,773 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:42,773 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:42,774 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:20:42,774 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:42,774 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:42,774 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:42,774 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2024-11-28 05:20:42,774 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:42,774 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:42,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:42,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:42,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 05:20:42,937 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:42,937 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:20:42,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:42,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:42,940 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:42,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 05:20:42,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:42,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:42,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 05:20:42,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:42,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:42,974 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:42,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 05:20:42,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:20:42,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:43,018 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:20:43,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 05:20:43,024 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:43,024 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:43,024 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:43,025 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:43,025 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:20:43,025 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,025 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:43,025 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:43,025 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2024-11-28 05:20:43,025 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:43,025 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:43,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:43,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:43,172 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:43,172 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:20:43,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:43,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:43,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 05:20:43,181 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 [2024-11-28 05:20:43,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:43,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:43,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:43,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:43,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:43,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:43,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:43,207 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:20:43,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 05:20:43,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:43,219 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:43,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 05:20:43,223 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 [2024-11-28 05:20:43,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:43,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:43,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:43,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:43,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:43,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:43,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:43,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:20:43,247 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:20:43,247 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:20:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:43,250 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:43,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 05:20:43,253 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:20:43,254 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:20:43,254 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:20:43,254 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-28 05:20:43,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 05:20:43,262 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:20:43,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:43,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:20:43,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:43,325 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:20:43,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:43,331 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 [2024-11-28 05:20:43,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 38 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:43,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 38 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 73 transitions. Complement of second has 5 states. [2024-11-28 05:20:43,369 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 [2024-11-28 05:20:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2024-11-28 05:20:43,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 05:20:43,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:43,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-28 05:20:43,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:43,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 05:20:43,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:43,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 73 transitions. [2024-11-28 05:20:43,373 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-11-28 05:20:43,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 45 states and 63 transitions. [2024-11-28 05:20:43,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-11-28 05:20:43,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2024-11-28 05:20:43,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 63 transitions. [2024-11-28 05:20:43,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:20:43,375 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-28 05:20:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 63 transitions. [2024-11-28 05:20:43,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 29. [2024-11-28 05:20:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 28 states have internal predecessors, (42), 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) [2024-11-28 05:20:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2024-11-28 05:20:43,378 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2024-11-28 05:20:43,378 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2024-11-28 05:20:43,378 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 05:20:43,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2024-11-28 05:20:43,379 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-28 05:20:43,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:43,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:43,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:43,384 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:20:43,385 INFO L747 eck$LassoCheckResult]: Stem: "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);" "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_~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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#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_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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~bitwise4#1, base2flt_#t~bitwise5#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2024-11-28 05:20:43,385 INFO L749 eck$LassoCheckResult]: Loop: "assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2024-11-28 05:20:43,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1807274247, now seen corresponding path program 1 times [2024-11-28 05:20:43,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:43,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026092470] [2024-11-28 05:20:43,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:43,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:43,407 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:43,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:43,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:43,430 INFO L85 PathProgramCache]: Analyzing trace with hash 4388, now seen corresponding path program 1 times [2024-11-28 05:20:43,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:43,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57177019] [2024-11-28 05:20:43,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:43,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:43,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:43,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:43,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:43,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1623767210, now seen corresponding path program 1 times [2024-11-28 05:20:43,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:43,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407864600] [2024-11-28 05:20:43,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:43,478 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:43,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:43,548 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:43,549 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:43,549 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:43,549 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:43,549 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:20:43,549 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,549 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:43,549 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:43,549 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2024-11-28 05:20:43,549 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:43,549 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:43,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:43,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:43,731 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:43,731 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:20:43,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:43,734 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:43,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 05:20:43,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:43,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:43,766 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:20:43,766 INFO L401 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: [] [2024-11-28 05:20:43,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 05:20:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:43,775 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:43,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 05:20:43,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:43,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:43,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 05:20:43,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:43,809 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:43,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 05:20:43,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:20:43,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:43,846 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:20:43,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 05:20:43,849 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:43,849 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:43,849 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:43,849 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:43,849 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:20:43,849 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:43,849 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:43,850 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:43,850 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2024-11-28 05:20:43,850 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:43,850 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:43,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:43,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:44,022 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:44,023 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:20:44,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,025 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,030 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 [2024-11-28 05:20:44,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 05:20:44,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:44,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:44,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:44,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:44,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:44,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:44,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:44,055 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:20:44,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:44,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,065 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 05:20:44,068 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 [2024-11-28 05:20:44,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:44,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:44,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:44,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:44,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:44,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:44,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:44,086 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:20:44,089 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:20:44,089 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:20:44,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,092 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 05:20:44,094 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:20:44,095 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:20:44,095 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:20:44,095 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-28 05:20:44,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 05:20:44,103 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:20:44,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:44,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:20:44,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:44,166 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:20:44,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:44,207 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 [2024-11-28 05:20:44,208 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:44,243 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 76 transitions. Complement of second has 5 states. [2024-11-28 05:20:44,244 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 [2024-11-28 05:20:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-11-28 05:20:44,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 05:20:44,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:44,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-28 05:20:44,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:44,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 05:20:44,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:44,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 76 transitions. [2024-11-28 05:20:44,249 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-28 05:20:44,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 48 states and 67 transitions. [2024-11-28 05:20:44,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-11-28 05:20:44,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-11-28 05:20:44,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 67 transitions. [2024-11-28 05:20:44,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:20:44,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 67 transitions. [2024-11-28 05:20:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 67 transitions. [2024-11-28 05:20:44,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2024-11-28 05:20:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 states have internal predecessors, (45), 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) [2024-11-28 05:20:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2024-11-28 05:20:44,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2024-11-28 05:20:44,254 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2024-11-28 05:20:44,254 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 05:20:44,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 45 transitions. [2024-11-28 05:20:44,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-28 05:20:44,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:44,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:44,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:44,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:20:44,261 INFO L747 eck$LassoCheckResult]: Stem: "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);" "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_~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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#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_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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~bitwise4#1, base2flt_#t~bitwise5#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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~bitwise4#1, base2flt_#t~bitwise5#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2024-11-28 05:20:44,261 INFO L749 eck$LassoCheckResult]: Loop: "assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2024-11-28 05:20:44,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:44,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1202403814, now seen corresponding path program 1 times [2024-11-28 05:20:44,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:44,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401507595] [2024-11-28 05:20:44,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:44,283 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:44,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:44,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:44,311 INFO L85 PathProgramCache]: Analyzing trace with hash 7076, now seen corresponding path program 1 times [2024-11-28 05:20:44,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:44,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466897377] [2024-11-28 05:20:44,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:44,323 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:44,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:44,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:44,332 INFO L85 PathProgramCache]: Analyzing trace with hash -163856515, now seen corresponding path program 1 times [2024-11-28 05:20:44,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:44,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738843512] [2024-11-28 05:20:44,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:44,361 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:44,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:44,446 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:44,446 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:44,446 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:44,446 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:44,446 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:20:44,446 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,446 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:44,446 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:44,447 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2024-11-28 05:20:44,447 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:44,447 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:44,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:44,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:44,620 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:44,620 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:20:44,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,623 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 05:20:44,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:44,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:44,655 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 05:20:44,655 INFO L401 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: [] [2024-11-28 05:20:44,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 05:20:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,664 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 05:20:44,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:44,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:44,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 05:20:44,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,701 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 05:20:44,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:20:44,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:44,753 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:20:44,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:44,757 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:44,758 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:44,758 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:44,758 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:44,758 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:20:44,758 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,758 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:44,758 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:44,758 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2024-11-28 05:20:44,758 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:44,758 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:44,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:44,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:44,914 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:44,915 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:20:44,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:44,918 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:44,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 05:20:44,950 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 [2024-11-28 05:20:44,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 05:20:44,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:44,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:44,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:44,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:44,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:44,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:44,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:44,985 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:20:44,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 05:20:44,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:44,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,000 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 05:20:45,006 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 [2024-11-28 05:20:45,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:45,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:45,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:45,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:45,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:45,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:45,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:45,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:20:45,039 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:20:45,039 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:20:45,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,043 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 05:20:45,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:20:45,051 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:20:45,051 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:20:45,051 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-28 05:20:45,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:45,064 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:20:45,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:45,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:20:45,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:45,136 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:20:45,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:45,160 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 [2024-11-28 05:20:45,160 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 45 transitions. cyclomatic complexity: 18 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:45,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 45 transitions. cyclomatic complexity: 18. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 4 states. [2024-11-28 05:20:45,170 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 [2024-11-28 05:20:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-11-28 05:20:45,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 05:20:45,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:45,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-28 05:20:45,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:45,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 05:20:45,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:45,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2024-11-28 05:20:45,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:20:45,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 42 transitions. [2024-11-28 05:20:45,175 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-11-28 05:20:45,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-11-28 05:20:45,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 42 transitions. [2024-11-28 05:20:45,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:20:45,175 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2024-11-28 05:20:45,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 42 transitions. [2024-11-28 05:20:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-28 05:20:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 28 states have internal predecessors, (42), 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) [2024-11-28 05:20:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2024-11-28 05:20:45,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2024-11-28 05:20:45,180 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2024-11-28 05:20:45,180 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 05:20:45,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2024-11-28 05:20:45,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 05:20:45,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:45,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:45,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:45,183 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:20:45,184 INFO L747 eck$LassoCheckResult]: Stem: "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);" "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_~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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#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_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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~bitwise4#1, base2flt_#t~bitwise5#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#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~bitwise4#1, base2flt_#t~bitwise5#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume !(base2flt_~m#1 % 4294967296 < 16777216);" [2024-11-28 05:20:45,184 INFO L749 eck$LassoCheckResult]: Loop: "assume base2flt_~m#1 % 4294967296 >= 33554432;" "assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2;" [2024-11-28 05:20:45,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:45,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1202403790, now seen corresponding path program 1 times [2024-11-28 05:20:45,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:45,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543223055] [2024-11-28 05:20:45,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:45,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:45,206 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:45,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:45,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash 7785, now seen corresponding path program 1 times [2024-11-28 05:20:45,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:45,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702132174] [2024-11-28 05:20:45,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:45,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:45,237 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:45,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:45,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:45,248 INFO L85 PathProgramCache]: Analyzing trace with hash -163832742, now seen corresponding path program 1 times [2024-11-28 05:20:45,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:45,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433928436] [2024-11-28 05:20:45,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:45,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:45,272 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:45,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:45,365 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:45,365 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:45,365 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:45,365 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:45,365 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:20:45,366 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,366 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:45,366 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:45,366 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2024-11-28 05:20:45,366 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:45,366 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:45,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:45,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:45,492 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:45,493 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:20:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,498 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 05:20:45,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:45,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:45,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:45,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,540 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 05:20:45,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:20:45,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:45,579 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:20:45,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:45,584 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:45,584 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:45,584 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:45,584 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:45,584 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:20:45,584 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,584 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:45,584 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:45,584 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2024-11-28 05:20:45,584 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:45,584 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:45,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:45,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:45,720 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:45,720 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:20:45,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,724 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 05:20:45,730 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 [2024-11-28 05:20:45,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:45,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:45,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:45,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:45,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:45,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:45,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:45,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:20:45,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:45,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,771 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 05:20:45,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:20:45,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:20:45,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:20:45,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:20:45,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:20:45,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:20:45,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:20:45,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:20:45,798 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:20:45,802 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:20:45,802 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 05:20:45,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:45,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:45,804 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 05:20:45,809 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:20:45,809 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:20:45,809 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:20:45,809 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-28 05:20:45,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:45,822 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:20:45,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:45,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:20:45,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:45,905 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:20:45,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:45,910 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 [2024-11-28 05:20:45,910 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:45,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 45 transitions. Complement of second has 4 states. [2024-11-28 05:20:45,919 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 [2024-11-28 05:20:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2024-11-28 05:20:45,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 05:20:45,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:45,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-28 05:20:45,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:45,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 05:20:45,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:20:45,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2024-11-28 05:20:45,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:20:45,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2024-11-28 05:20:45,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 05:20:45,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 05:20:45,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 05:20:45,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:20:45,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:20:45,922 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:20:45,922 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:20:45,922 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 05:20:45,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:20:45,922 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:20:45,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 05:20:45,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:20:45 BoogieIcfgContainer [2024-11-28 05:20:45,933 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:20:45,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:20:45,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:20:45,934 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:20:45,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:40" (3/4) ... [2024-11-28 05:20:45,937 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:20:45,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:20:45,939 INFO L158 Benchmark]: Toolchain (without parser) took 7031.79ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 73.5MB in the end (delta: 44.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-11-28 05:20:45,939 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:45,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.65ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 104.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:20:45,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.30ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:45,940 INFO L158 Benchmark]: Boogie Preprocessor took 92.67ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:45,941 INFO L158 Benchmark]: RCFGBuilder took 1104.66ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 69.4MB in the end (delta: 29.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 05:20:45,941 INFO L158 Benchmark]: BuchiAutomizer took 5316.46ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 74.5MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:45,942 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 73.5MB in the end (delta: 978.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:45,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.65ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 104.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.30ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.67ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1104.66ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 69.4MB in the end (delta: 29.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5316.46ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 74.5MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 73.5MB in the end (delta: 978.1kB). 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 (((long long) -2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 350 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 419 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 379 mSDtfsCounter, 114 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: 53ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 05:20:45,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:46,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 05:20:46,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:20:46,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43da0a40-7a11-43eb-9367-2d74b7de8047/bin/uautomizer-verify-aQ6SnzHsRB/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