./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:53:30,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:53:30,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 06:53:30,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:53:30,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:53:30,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:53:30,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:53:30,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:53:30,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:53:30,122 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:53:30,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:53:30,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:53:30,124 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:53:30,124 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:53:30,125 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:53:30,125 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:53:30,126 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:53:30,126 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:53:30,127 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:53:30,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:53:30,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:53:30,128 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:53:30,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:53:30,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:53:30,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:53:30,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:53:30,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:53:30,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:53:30,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:53:30,131 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:53:30,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:53:30,132 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:53:30,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:53:30,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:53:30,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:53:30,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:53:30,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:53:30,133 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:53:30,133 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f [2023-11-29 06:53:30,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:53:30,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:53:30,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:53:30,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:53:30,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:53:30,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2023-11-29 06:53:33,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:53:33,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:53:33,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2023-11-29 06:53:33,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/data/1dc730d38/353d22fb8a0f45e793111aeaa7cbf107/FLAG7266a86c2 [2023-11-29 06:53:33,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/data/1dc730d38/353d22fb8a0f45e793111aeaa7cbf107 [2023-11-29 06:53:33,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:53:33,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:53:33,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:33,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:53:33,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:53:33,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1242e2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33, skipping insertion in model container [2023-11-29 06:53:33,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:53:33,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:33,679 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:53:33,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:33,739 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:53:33,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33 WrapperNode [2023-11-29 06:53:33,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:33,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:33,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:53:33,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:53:33,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,788 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 15, calls inlined = 18, statements flattened = 391 [2023-11-29 06:53:33,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:33,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:53:33,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:53:33,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:53:33,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,822 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:53:33,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:53:33,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:53:33,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:53:33,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:53:33,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (1/1) ... [2023-11-29 06:53:33,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:33,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:33,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:33,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:53:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:53:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:53:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:53:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:53:34,006 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:53:34,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:53:34,466 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:53:34,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:53:34,479 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 06:53:34,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:34 BoogieIcfgContainer [2023-11-29 06:53:34,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:53:34,482 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:53:34,482 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:53:34,486 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:53:34,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:53:34,487 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:53:33" (1/3) ... [2023-11-29 06:53:34,489 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77f835f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:53:34, skipping insertion in model container [2023-11-29 06:53:34,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:53:34,489 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:33" (2/3) ... [2023-11-29 06:53:34,489 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77f835f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:53:34, skipping insertion in model container [2023-11-29 06:53:34,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:53:34,490 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:34" (3/3) ... [2023-11-29 06:53:34,491 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2023-11-29 06:53:34,548 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:53:34,548 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:53:34,548 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:53:34,549 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:53:34,549 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:53:34,549 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:53:34,549 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:53:34,549 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:53:34,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.6349206349206349) internal successors, (206), 126 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:34,579 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-29 06:53:34,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:34,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:34,584 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 06:53:34,584 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:34,585 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:53:34,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.6349206349206349) internal successors, (206), 126 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:34,592 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-29 06:53:34,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:34,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:34,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 06:53:34,593 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:34,599 INFO L748 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~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~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 83#L29true assume !(0 == base2flt_~m#1 % 4294967296); 109#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 56#L57-2true [2023-11-29 06:53:34,599 INFO L750 eck$LassoCheckResult]: Loop: 56#L57-2true assume !false; 36#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 96#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 56#L57-2true [2023-11-29 06:53:34,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:34,605 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2023-11-29 06:53:34,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:34,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494792018] [2023-11-29 06:53:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:34,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:34,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:34,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494792018] [2023-11-29 06:53:34,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494792018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:34,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:34,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:34,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043224588] [2023-11-29 06:53:34,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:34,824 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:53:34,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:34,825 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2023-11-29 06:53:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:34,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310948447] [2023-11-29 06:53:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:34,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:34,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:34,902 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:34,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:34,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:34,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:34,903 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:53:34,903 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:34,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:34,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:34,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2023-11-29 06:53:34,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:34,904 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:34,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:34,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:35,043 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:35,044 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:53:35,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 06:53:35,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:53:35,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:35,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 06:53:35,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:53:35,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:35,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 06:53:35,102 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:53:35,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:35,107 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:35,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:35,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:35,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:35,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:53:35,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:35,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:35,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2023-11-29 06:53:35,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:35,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:35,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:35,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:35,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:35,212 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:53:35,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:53:35,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:35,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:35,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:35,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:35,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:35,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:35,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:35,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:35,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:53:35,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 06:53:35,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:53:35,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:35,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:35,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:35,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:35,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:35,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:35,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:35,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:35,264 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:53:35,268 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:53:35,269 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:53:35,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,309 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:53:35,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:53:35,311 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:53:35,312 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:53:35,312 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-29 06:53:35,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:53:35,319 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:53:35,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:35,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:35,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:35,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:35,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:35,416 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:53:35,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 127 states, 126 states have (on average 1.6349206349206349) internal successors, (206), 126 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:35,511 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 127 states, 126 states have (on average 1.6349206349206349) internal successors, (206), 126 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 377 states and 605 transitions. Complement of second has 6 states. [2023-11-29 06:53:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:53:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 397 transitions. [2023-11-29 06:53:35,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 397 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-29 06:53:35,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:35,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 397 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:53:35,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:35,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 397 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-29 06:53:35,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:35,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 605 transitions. [2023-11-29 06:53:35,533 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2023-11-29 06:53:35,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 77 states and 118 transitions. [2023-11-29 06:53:35,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2023-11-29 06:53:35,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2023-11-29 06:53:35,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 118 transitions. [2023-11-29 06:53:35,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:53:35,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 118 transitions. [2023-11-29 06:53:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 118 transitions. [2023-11-29 06:53:35,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 61. [2023-11-29 06:53:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 60 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 97 transitions. [2023-11-29 06:53:35,568 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 97 transitions. [2023-11-29 06:53:35,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:35,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:35,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:35,572 INFO L87 Difference]: Start difference. First operand 61 states and 97 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:35,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:35,619 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2023-11-29 06:53:35,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2023-11-29 06:53:35,621 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 06:53:35,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 40 transitions. [2023-11-29 06:53:35,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-29 06:53:35,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-29 06:53:35,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2023-11-29 06:53:35,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:53:35,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 06:53:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2023-11-29 06:53:35,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 06:53:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2023-11-29 06:53:35,625 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 06:53:35,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:35,626 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 06:53:35,626 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:53:35,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2023-11-29 06:53:35,627 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 06:53:35,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:35,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:35,628 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:35,628 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:35,628 INFO L748 eck$LassoCheckResult]: Stem: 665#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 641#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~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~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 642#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 663#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 657#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 658#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 643#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 644#L47-3 [2023-11-29 06:53:35,628 INFO L750 eck$LassoCheckResult]: Loop: 644#L47-3 assume !false; 660#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 654#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 644#L47-3 [2023-11-29 06:53:35,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:35,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335815, now seen corresponding path program 1 times [2023-11-29 06:53:35,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:35,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605355382] [2023-11-29 06:53:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:35,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:35,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:35,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash 134251, now seen corresponding path program 1 times [2023-11-29 06:53:35,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:35,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036787343] [2023-11-29 06:53:35,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:35,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:35,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:35,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash 631346469, now seen corresponding path program 1 times [2023-11-29 06:53:35,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:35,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076220225] [2023-11-29 06:53:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:35,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:35,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:35,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:35,727 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:35,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:35,727 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:35,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:35,727 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:53:35,727 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:35,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:35,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2023-11-29 06:53:35,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:35,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:35,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:35,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:35,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:35,845 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:53:35,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:53:35,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:53:35,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:35,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 06:53:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:35,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:35,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 06:53:35,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:53:35,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:35,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:53:35,910 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:53:35,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 06:53:35,914 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:35,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:35,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:35,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:35,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:53:35,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:35,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:35,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:35,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2023-11-29 06:53:35,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:35,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:35,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:35,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,038 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:36,038 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:53:36,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 06:53:36,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:36,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:36,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:36,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:36,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:36,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:36,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:36,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:36,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:53:36,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:53:36,062 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:53:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,064 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 06:53:36,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:53:36,067 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:53:36,067 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:53:36,067 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2023-11-29 06:53:36,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:36,072 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:53:36,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:36,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:36,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:36,172 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:53:36,173 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:36,197 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 79 transitions. Complement of second has 5 states. [2023-11-29 06:53:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:53:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2023-11-29 06:53:36,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:53:36,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:36,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 06:53:36,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:36,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-29 06:53:36,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:36,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 79 transitions. [2023-11-29 06:53:36,201 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2023-11-29 06:53:36,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 66 transitions. [2023-11-29 06:53:36,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2023-11-29 06:53:36,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2023-11-29 06:53:36,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 66 transitions. [2023-11-29 06:53:36,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:53:36,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 66 transitions. [2023-11-29 06:53:36,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 66 transitions. [2023-11-29 06:53:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2023-11-29 06:53:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-29 06:53:36,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 06:53:36,206 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 06:53:36,206 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:53:36,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2023-11-29 06:53:36,206 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-29 06:53:36,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:36,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:36,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:36,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:36,207 INFO L748 eck$LassoCheckResult]: Stem: 804#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 777#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~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~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 778#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 802#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 795#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 796#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 779#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 781#L57-5 [2023-11-29 06:53:36,207 INFO L750 eck$LassoCheckResult]: Loop: 781#L57-5 assume !false; 782#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 783#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 781#L57-5 [2023-11-29 06:53:36,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335841, now seen corresponding path program 1 times [2023-11-29 06:53:36,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424872891] [2023-11-29 06:53:36,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:36,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash 160010, now seen corresponding path program 1 times [2023-11-29 06:53:36,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590530622] [2023-11-29 06:53:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:36,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,239 INFO L85 PathProgramCache]: Analyzing trace with hash 632146794, now seen corresponding path program 1 times [2023-11-29 06:53:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351637940] [2023-11-29 06:53:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:36,293 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:36,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:36,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:36,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:36,294 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:53:36,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:36,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:36,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2023-11-29 06:53:36,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:36,294 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:36,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,389 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:36,389 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:53:36,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 06:53:36,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:53:36,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:36,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 06:53:36,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,420 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 06:53:36,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:53:36,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:36,452 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:53:36,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 06:53:36,457 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:36,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:36,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:36,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:36,457 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:53:36,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:36,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:36,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2023-11-29 06:53:36,457 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:36,458 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:36,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,561 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:36,561 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:53:36,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,567 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 06:53:36,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:36,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:36,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:36,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:36,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:36,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:36,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:36,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:36,586 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:53:36,589 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:53:36,589 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:53:36,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,591 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 06:53:36,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:53:36,593 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:53:36,594 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:53:36,594 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-29 06:53:36,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:36,598 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:53:36,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:36,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:36,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:36,655 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:53:36,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:36,680 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 82 transitions. Complement of second has 5 states. [2023-11-29 06:53:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:53:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-11-29 06:53:36,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:53:36,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:36,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 06:53:36,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:36,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-29 06:53:36,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:36,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2023-11-29 06:53:36,683 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 06:53:36,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 69 transitions. [2023-11-29 06:53:36,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2023-11-29 06:53:36,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2023-11-29 06:53:36,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 69 transitions. [2023-11-29 06:53:36,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:53:36,685 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-29 06:53:36,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 69 transitions. [2023-11-29 06:53:36,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2023-11-29 06:53:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2023-11-29 06:53:36,688 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-29 06:53:36,688 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-29 06:53:36,688 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 06:53:36,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2023-11-29 06:53:36,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-29 06:53:36,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:36,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:36,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:36,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:36,690 INFO L748 eck$LassoCheckResult]: Stem: 947#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 917#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~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~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 918#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 945#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 938#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 939#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 914#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 915#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 916#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 930#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 931#L57-8 [2023-11-29 06:53:36,690 INFO L750 eck$LassoCheckResult]: Loop: 931#L57-8 assume !false; 928#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 929#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 931#L57-8 [2023-11-29 06:53:36,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,690 INFO L85 PathProgramCache]: Analyzing trace with hash 631832054, now seen corresponding path program 1 times [2023-11-29 06:53:36,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262931001] [2023-11-29 06:53:36,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:36,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash 245408, now seen corresponding path program 1 times [2023-11-29 06:53:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77740065] [2023-11-29 06:53:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:36,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1932722037, now seen corresponding path program 1 times [2023-11-29 06:53:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464003108] [2023-11-29 06:53:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:36,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:36,779 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:36,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:36,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:36,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:36,779 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:53:36,780 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:36,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:36,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2023-11-29 06:53:36,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:36,780 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:36,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,869 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:36,869 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:53:36,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,872 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 06:53:36,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:53:36,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:36,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 06:53:36,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,897 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 06:53:36,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:53:36,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:36,920 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:53:36,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 06:53:36,924 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:36,924 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:36,924 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:36,924 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:36,924 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:53:36,924 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:36,924 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:36,924 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:36,924 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2023-11-29 06:53:36,924 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:36,924 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:36,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:36,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:37,010 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:37,010 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:53:37,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,012 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 06:53:37,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:37,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:37,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:37,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:37,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:37,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:37,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:37,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:37,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:53:37,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:37,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,036 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 06:53:37,060 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Exception during sending of exit command (exit): Broken pipe [2023-11-29 06:53:37,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 06:53:37,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 06:53:37,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:37,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:37,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:37,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:37,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:37,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:37,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:37,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:37,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:53:37,082 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:53:37,083 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:53:37,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,088 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 06:53:37,090 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:53:37,090 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:53:37,090 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:53:37,090 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-29 06:53:37,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 06:53:37,096 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:53:37,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:37,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:37,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:37,151 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:53:37,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:37,158 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 52 transitions. Complement of second has 4 states. [2023-11-29 06:53:37,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:53:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2023-11-29 06:53:37,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 06:53:37,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:37,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-29 06:53:37,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:37,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-29 06:53:37,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:37,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2023-11-29 06:53:37,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:53:37,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 32 states and 44 transitions. [2023-11-29 06:53:37,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-29 06:53:37,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-29 06:53:37,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2023-11-29 06:53:37,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:53:37,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 06:53:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2023-11-29 06:53:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-29 06:53:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-29 06:53:37,164 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 06:53:37,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-29 06:53:37,165 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 06:53:37,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2023-11-29 06:53:37,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:53:37,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:37,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:37,166 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:37,166 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:37,166 INFO L748 eck$LassoCheckResult]: Stem: 1074#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 1047#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~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~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1048#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1072#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1065#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1066#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1044#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1045#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1046#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1058#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1059#L47-5 [2023-11-29 06:53:37,166 INFO L750 eck$LassoCheckResult]: Loop: 1059#L47-5 assume !false; 1067#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1073#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1059#L47-5 [2023-11-29 06:53:37,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,167 INFO L85 PathProgramCache]: Analyzing trace with hash 631832028, now seen corresponding path program 1 times [2023-11-29 06:53:37,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388135100] [2023-11-29 06:53:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:37,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:37,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:37,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,186 INFO L85 PathProgramCache]: Analyzing trace with hash 219649, now seen corresponding path program 1 times [2023-11-29 06:53:37,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057488463] [2023-11-29 06:53:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:37,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:37,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:37,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1933522362, now seen corresponding path program 1 times [2023-11-29 06:53:37,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115392250] [2023-11-29 06:53:37,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:37,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:37,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:37,249 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:37,249 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:37,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:37,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:37,249 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:53:37,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:37,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:37,249 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2023-11-29 06:53:37,249 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:37,249 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:37,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:37,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:37,365 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:37,365 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:53:37,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,371 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 06:53:37,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:53:37,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:37,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:53:37,392 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:53:37,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 06:53:37,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,400 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 06:53:37,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:53:37,403 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:37,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 06:53:37,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,419 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 06:53:37,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:53:37,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:53:37,446 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:53:37,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 06:53:37,450 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:53:37,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:53:37,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:53:37,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:53:37,450 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:53:37,450 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,450 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:53:37,450 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:53:37,450 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2023-11-29 06:53:37,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:53:37,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:53:37,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:37,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:53:37,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:53:37,559 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:53:37,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,560 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 06:53:37,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:37,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:37,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:37,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:37,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:37,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:37,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:37,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:37,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:53:37,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 06:53:37,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,588 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 06:53:37,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:53:37,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:53:37,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:53:37,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:53:37,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:53:37,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:53:37,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:53:37,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:53:37,609 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:53:37,611 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:53:37,611 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:53:37,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:37,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,612 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 06:53:37,616 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:53:37,616 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:53:37,616 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:53:37,616 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2023-11-29 06:53:37,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 06:53:37,621 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:53:37,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:37,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:37,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:37,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:53:37,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:37,704 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 48 transitions. Complement of second has 4 states. [2023-11-29 06:53:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:53:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2023-11-29 06:53:37,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 06:53:37,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:37,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-29 06:53:37,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:37,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-29 06:53:37,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:53:37,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2023-11-29 06:53:37,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:53:37,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2023-11-29 06:53:37,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 06:53:37,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 06:53:37,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 06:53:37,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:53:37,708 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:53:37,708 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:53:37,708 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:53:37,708 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 06:53:37,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:53:37,708 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:53:37,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 06:53:37,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:53:37 BoogieIcfgContainer [2023-11-29 06:53:37,716 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:53:37,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:53:37,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:53:37,717 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:53:37,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:34" (3/4) ... [2023-11-29 06:53:37,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:53:37,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:53:37,721 INFO L158 Benchmark]: Toolchain (without parser) took 4280.61ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 88.1MB in the end (delta: 47.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-29 06:53:37,721 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:37,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.50ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 121.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:53:37,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.65ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 118.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:53:37,722 INFO L158 Benchmark]: Boogie Preprocessor took 57.04ms. Allocated memory is still 169.9MB. Free memory was 118.4MB in the beginning and 115.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:53:37,722 INFO L158 Benchmark]: RCFGBuilder took 633.52ms. Allocated memory is still 169.9MB. Free memory was 115.3MB in the beginning and 87.5MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 06:53:37,723 INFO L158 Benchmark]: BuchiAutomizer took 3234.04ms. Allocated memory is still 169.9MB. Free memory was 87.5MB in the beginning and 88.1MB in the end (delta: -618.0kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-29 06:53:37,723 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 169.9MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:37,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.50ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 121.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.65ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 118.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.04ms. Allocated memory is still 169.9MB. Free memory was 118.4MB in the beginning and 115.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.52ms. Allocated memory is still 169.9MB. Free memory was 115.3MB in the beginning and 87.5MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 3234.04ms. Allocated memory is still 169.9MB. Free memory was 87.5MB in the beginning and 88.1MB in the end (delta: -618.0kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 169.9MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function ((2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function ((2 * e) + 255) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 49 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 434 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 391 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div611 bol100 ite100 ukn100 eq131 hnf96 smp40 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 06:53:37,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 06:53:37,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:38,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5fee8fa-33b9-4543-a6d8-721c9a5bc318/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE