./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 4fc63b2a 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_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/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_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:08:22,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:22,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:08:22,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:22,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:22,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:22,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:22,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:22,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:22,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:22,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:22,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:22,563 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:22,564 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:22,565 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:22,565 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:22,566 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:22,566 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:22,567 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:22,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:22,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:22,569 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:22,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:22,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:22,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:22,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:22,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:22,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:22,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:22,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:22,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:22,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:22,589 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:22,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:22,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:22,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:22,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:22,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:22,591 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:22,592 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_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f [2024-10-31 22:08:22,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:22,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:22,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:22,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:22,959 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:22,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c Unable to find full path for "g++" [2024-10-31 22:08:24,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:25,152 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:25,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2024-10-31 22:08:25,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/data/4e0836904/dfa06ddd91914e028ce0762bd2bf1f47/FLAG39429ac0b [2024-10-31 22:08:25,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/data/4e0836904/dfa06ddd91914e028ce0762bd2bf1f47 [2024-10-31 22:08:25,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:25,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:25,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:25,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:25,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:25,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a01759f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25, skipping insertion in model container [2024-10-31 22:08:25,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:25,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:25,503 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:25,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:25,563 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:25,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25 WrapperNode [2024-10-31 22:08:25,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:25,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:25,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:25,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:25,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,632 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 15, calls inlined = 18, statements flattened = 397 [2024-10-31 22:08:25,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:25,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:25,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:25,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:25,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,668 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:08:25,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:25,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:25,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:25,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:25,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (1/1) ... [2024-10-31 22:08:25,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:25,886 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:25,888 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:26,594 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:26,594 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:26,609 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:26,609 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:08:26,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:26 BoogieIcfgContainer [2024-10-31 22:08:26,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:26,611 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:26,611 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:26,615 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:26,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:26,616 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:25" (1/3) ... [2024-10-31 22:08:26,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51fd90ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:26, skipping insertion in model container [2024-10-31 22:08:26,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:26,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:25" (2/3) ... [2024-10-31 22:08:26,618 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51fd90ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:26, skipping insertion in model container [2024-10-31 22:08:26,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:26,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:26" (3/3) ... [2024-10-31 22:08:26,620 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2024-10-31 22:08:26,693 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:26,693 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:26,693 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:26,694 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:26,694 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:26,694 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:26,694 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:26,694 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:26,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:26,727 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-10-31 22:08:26,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:26,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:26,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:08:26,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:26,734 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:26,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:26,743 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-10-31 22:08:26,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:26,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:26,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:08:26,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:26,752 INFO L745 eck$LassoCheckResult]: Stem: 37#$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); 47#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~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 93#L29true assume !(0 == base2flt_~m#1 % 4294967296); 120#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 66#L57-2true [2024-10-31 22:08:26,752 INFO L747 eck$LassoCheckResult]: Loop: 66#L57-2true assume !false; 46#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 107#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 66#L57-2true [2024-10-31 22:08:26,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:26,759 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2024-10-31 22:08:26,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:26,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809885676] [2024-10-31 22:08:26,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:27,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:27,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809885676] [2024-10-31 22:08:27,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809885676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:27,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:27,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:27,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573066755] [2024-10-31 22:08:27,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:27,135 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:27,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:27,137 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2024-10-31 22:08:27,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:27,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089118826] [2024-10-31 22:08:27,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:27,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:27,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:27,261 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:27,261 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:27,262 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:27,262 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:27,262 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:27,262 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,263 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:27,263 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:27,263 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2024-10-31 22:08:27,263 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:27,264 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:27,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:27,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:27,435 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:27,435 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:27,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:08:27,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:27,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:27,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:08:27,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:08:27,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:27,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:27,532 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:27,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,538 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:27,539 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:27,539 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:27,540 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:27,540 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:27,540 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,540 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:27,540 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:27,541 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2024-10-31 22:08:27,541 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:27,541 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:27,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:27,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:27,695 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:27,701 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:27,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:08:27,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:27,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:27,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:27,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:27,738 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:08:27,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:27,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:27,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:27,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:27,786 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:27,791 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:08:27,791 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:08:27,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:08:27,803 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:27,803 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:27,803 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:27,804 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-10-31 22:08:27,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:08:27,826 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:27,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:27,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:27,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:27,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:27,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:27,977 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:08:27,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 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) [2024-10-31 22:08:28,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 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 409 states and 634 transitions. Complement of second has 6 states. [2024-10-31 22:08:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:28,162 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) [2024-10-31 22:08:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 415 transitions. [2024-10-31 22:08:28,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 415 transitions. Stem has 4 letters. Loop has 3 letters. [2024-10-31 22:08:28,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:28,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 415 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:08:28,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:28,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 415 transitions. Stem has 4 letters. Loop has 6 letters. [2024-10-31 22:08:28,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:28,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 409 states and 634 transitions. [2024-10-31 22:08:28,184 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2024-10-31 22:08:28,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 409 states to 85 states and 126 transitions. [2024-10-31 22:08:28,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2024-10-31 22:08:28,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2024-10-31 22:08:28,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 126 transitions. [2024-10-31 22:08:28,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:28,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 85 states and 126 transitions. [2024-10-31 22:08:28,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 126 transitions. [2024-10-31 22:08:28,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2024-10-31 22:08:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.537313432835821) internal successors, (103), 66 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-10-31 22:08:28,231 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-10-31 22:08:28,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:28,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:28,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:28,236 INFO L87 Difference]: Start difference. First operand 67 states and 103 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) [2024-10-31 22:08:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:28,310 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2024-10-31 22:08:28,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2024-10-31 22:08:28,311 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-10-31 22:08:28,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 42 transitions. [2024-10-31 22:08:28,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-10-31 22:08:28,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-10-31 22:08:28,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2024-10-31 22:08:28,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:28,312 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-10-31 22:08:28,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2024-10-31 22:08:28,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-31 22:08:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2024-10-31 22:08:28,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-10-31 22:08:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:28,320 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-10-31 22:08:28,321 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:28,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2024-10-31 22:08:28,322 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-10-31 22:08:28,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:28,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:28,323 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:28,324 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:28,324 INFO L745 eck$LassoCheckResult]: Stem: 718#$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); 697#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~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 698#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 716#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 712#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 713#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 699#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 700#L47-3 [2024-10-31 22:08:28,324 INFO L747 eck$LassoCheckResult]: Loop: 700#L47-3 assume !false; 715#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 711#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 700#L47-3 [2024-10-31 22:08:28,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:28,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397383, now seen corresponding path program 1 times [2024-10-31 22:08:28,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368604404] [2024-10-31 22:08:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:28,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:28,377 INFO L85 PathProgramCache]: Analyzing trace with hash 136237, now seen corresponding path program 1 times [2024-10-31 22:08:28,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:28,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739877448] [2024-10-31 22:08:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:28,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:28,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1829446553, now seen corresponding path program 1 times [2024-10-31 22:08:28,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:28,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757405034] [2024-10-31 22:08:28,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:28,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:28,495 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:28,495 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:28,495 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:28,495 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:28,495 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:28,496 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:28,496 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:28,496 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:28,496 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2024-10-31 22:08:28,496 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:28,496 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:28,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:28,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:28,646 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:28,646 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:28,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:28,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:28,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:08:28,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:28,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:28,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:28,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:28,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:28,680 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:28,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:08:28,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:28,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:28,721 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:28,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:28,727 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:28,731 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:28,731 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:28,731 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:28,731 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:28,731 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:28,732 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:28,732 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:28,732 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2024-10-31 22:08:28,732 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:28,735 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:28,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:28,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:28,915 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:28,916 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:28,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:28,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:28,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:28,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:08:28,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:28,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:28,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:28,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:28,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:28,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:28,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:28,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:28,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:28,946 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:08:28,946 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:08:28,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:28,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:28,950 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:28,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:08:28,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:28,973 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:28,974 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:28,974 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-10-31 22:08:28,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:08:29,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:08:29,010 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:29,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:29,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:29,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:29,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:29,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:29,158 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:08:29,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 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) [2024-10-31 22:08:29,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 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 60 states and 79 transitions. Complement of second has 5 states. [2024-10-31 22:08:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:29,208 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) [2024-10-31 22:08:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-10-31 22:08:29,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:08:29,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:29,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:08:29,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:29,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-31 22:08:29,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:29,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2024-10-31 22:08:29,211 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-10-31 22:08:29,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 53 states and 70 transitions. [2024-10-31 22:08:29,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-10-31 22:08:29,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2024-10-31 22:08:29,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 70 transitions. [2024-10-31 22:08:29,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:29,216 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 70 transitions. [2024-10-31 22:08:29,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 70 transitions. [2024-10-31 22:08:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2024-10-31 22:08:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-10-31 22:08:29,220 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-10-31 22:08:29,220 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-10-31 22:08:29,220 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:08:29,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2024-10-31 22:08:29,222 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-10-31 22:08:29,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:29,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:29,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:29,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:29,223 INFO L745 eck$LassoCheckResult]: Stem: 862#$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); 838#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~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 839#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 860#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 855#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 856#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 840#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 842#L57-5 [2024-10-31 22:08:29,223 INFO L747 eck$LassoCheckResult]: Loop: 842#L57-5 assume !false; 843#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 844#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 842#L57-5 [2024-10-31 22:08:29,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397409, now seen corresponding path program 1 times [2024-10-31 22:08:29,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:29,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084501417] [2024-10-31 22:08:29,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:29,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,266 INFO L85 PathProgramCache]: Analyzing trace with hash 161996, now seen corresponding path program 1 times [2024-10-31 22:08:29,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:29,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321570758] [2024-10-31 22:08:29,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:29,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1828646228, now seen corresponding path program 1 times [2024-10-31 22:08:29,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:29,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167895257] [2024-10-31 22:08:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,362 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:29,362 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:29,362 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:29,362 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:29,362 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:29,363 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,363 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:29,363 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:29,363 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2024-10-31 22:08:29,363 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:29,363 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:29,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:29,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:29,475 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:29,475 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:29,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:29,478 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:29,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:08:29,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:29,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:29,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:08:29,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:29,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:29,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:08:29,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:29,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:29,562 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:29,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:29,567 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:29,567 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:29,567 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:29,567 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:29,567 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:29,567 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,567 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:29,567 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:29,568 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2024-10-31 22:08:29,568 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:29,568 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:29,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:29,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:29,690 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:29,690 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:29,695 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:08:29,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:29,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:29,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:29,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:29,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:29,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:29,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:29,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:29,716 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:29,719 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:08:29,719 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:08:29,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:29,722 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:29,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:08:29,724 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:29,724 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:29,724 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:29,724 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-10-31 22:08:29,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:29,744 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:29,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:29,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:29,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:29,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:29,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:29,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:08:29,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 46 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) [2024-10-31 22:08:29,857 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 46 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 62 states and 82 transitions. Complement of second has 5 states. [2024-10-31 22:08:29,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:29,859 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) [2024-10-31 22:08:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-10-31 22:08:29,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:08:29,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:29,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:08:29,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:29,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-31 22:08:29,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:29,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 82 transitions. [2024-10-31 22:08:29,861 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-10-31 22:08:29,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 55 states and 73 transitions. [2024-10-31 22:08:29,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2024-10-31 22:08:29,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-10-31 22:08:29,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions. [2024-10-31 22:08:29,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:29,865 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 73 transitions. [2024-10-31 22:08:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions. [2024-10-31 22:08:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 37. [2024-10-31 22:08:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-10-31 22:08:29,867 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-10-31 22:08:29,868 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-10-31 22:08:29,868 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:08:29,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 50 transitions. [2024-10-31 22:08:29,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:08:29,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:29,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:29,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:29,871 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:29,871 INFO L745 eck$LassoCheckResult]: Stem: 1010#$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); 983#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~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 984#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1008#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1003#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1004#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 994#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 981#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 982#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 997#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 998#L57-8 [2024-10-31 22:08:29,871 INFO L747 eck$LassoCheckResult]: Loop: 998#L57-8 assume !false; 995#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 996#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 998#L57-8 [2024-10-31 22:08:29,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1828899400, now seen corresponding path program 1 times [2024-10-31 22:08:29,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:29,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895238922] [2024-10-31 22:08:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:29,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,908 INFO L85 PathProgramCache]: Analyzing trace with hash 249380, now seen corresponding path program 1 times [2024-10-31 22:08:29,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:29,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172186540] [2024-10-31 22:08:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:29,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1213311245, now seen corresponding path program 1 times [2024-10-31 22:08:29,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:29,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227153250] [2024-10-31 22:08:29,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:29,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:29,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,998 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:29,998 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:29,998 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:29,998 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:29,998 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:29,998 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:29,999 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:29,999 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:29,999 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2024-10-31 22:08:29,999 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:29,999 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:30,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,115 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:30,115 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:30,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,119 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:08:30,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:30,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:30,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:30,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,146 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:08:30,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:30,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:30,188 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:30,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:08:30,193 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:30,193 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:30,193 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:30,193 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:30,193 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:30,193 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,193 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:30,193 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:30,193 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2024-10-31 22:08:30,193 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:30,193 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:30,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,307 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:30,307 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:30,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,311 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:08:30,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:30,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:30,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:30,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:30,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:30,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:30,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:30,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:30,336 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:30,340 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:08:30,341 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:08:30,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,343 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:08:30,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:30,347 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:30,347 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:30,348 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-10-31 22:08:30,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:08:30,367 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:30,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:30,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:30,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:30,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:30,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:30,452 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:08:30,453 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 50 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) [2024-10-31 22:08:30,467 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 50 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 40 states and 54 transitions. Complement of second has 4 states. [2024-10-31 22:08:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:30,469 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) [2024-10-31 22:08:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-10-31 22:08:30,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:08:30,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:30,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 13 letters. Loop has 3 letters. [2024-10-31 22:08:30,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:30,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 10 letters. Loop has 6 letters. [2024-10-31 22:08:30,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:30,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2024-10-31 22:08:30,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:08:30,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 34 states and 46 transitions. [2024-10-31 22:08:30,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-10-31 22:08:30,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-10-31 22:08:30,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 46 transitions. [2024-10-31 22:08:30,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:30,471 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-10-31 22:08:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 46 transitions. [2024-10-31 22:08:30,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-31 22:08:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-10-31 22:08:30,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-10-31 22:08:30,476 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-10-31 22:08:30,476 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:08:30,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2024-10-31 22:08:30,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:08:30,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:30,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:30,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:30,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:30,478 INFO L745 eck$LassoCheckResult]: Stem: 1141#$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); 1117#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~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1118#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1139#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1134#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1135#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1128#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1115#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1116#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1129#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1130#L47-5 [2024-10-31 22:08:30,478 INFO L747 eck$LassoCheckResult]: Loop: 1130#L47-5 assume !false; 1136#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1140#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1130#L47-5 [2024-10-31 22:08:30,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:30,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1828899426, now seen corresponding path program 1 times [2024-10-31 22:08:30,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:30,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481945173] [2024-10-31 22:08:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:30,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:30,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:30,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:30,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:30,511 INFO L85 PathProgramCache]: Analyzing trace with hash 223621, now seen corresponding path program 1 times [2024-10-31 22:08:30,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:30,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089783049] [2024-10-31 22:08:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:30,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:30,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:30,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:30,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:30,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1212510920, now seen corresponding path program 1 times [2024-10-31 22:08:30,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:30,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657734668] [2024-10-31 22:08:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:30,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:30,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:30,578 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:30,578 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:30,578 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:30,578 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:30,579 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:30,579 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,579 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:30,579 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:30,579 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2024-10-31 22:08:30,579 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:30,579 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:30,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,708 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:30,709 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:30,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,711 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:08:30,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:30,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:30,747 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:30,747 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:30,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:30,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,752 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:08:30,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:30,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:30,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:30,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,780 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:08:30,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:30,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:30,820 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:30,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:30,824 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:30,825 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:30,825 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:30,825 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:30,825 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:30,825 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,825 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:30,825 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:30,825 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2024-10-31 22:08:30,825 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:30,825 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:30,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,962 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:30,962 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:30,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:30,966 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:30,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:08:30,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:30,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:30,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:30,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:30,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:30,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:30,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:30,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:30,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:31,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:08:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,009 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:08:31,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:31,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:31,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:31,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:31,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:31,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:31,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:31,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:31,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:31,028 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:08:31,028 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:08:31,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,031 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:08:31,033 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:31,033 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:31,034 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:31,034 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-10-31 22:08:31,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:31,054 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:31,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:31,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:31,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:31,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:31,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:31,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:31,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:08:31,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:31,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:31,213 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:08:31,214 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 46 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) [2024-10-31 22:08:31,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 46 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 38 states and 50 transitions. Complement of second has 4 states. [2024-10-31 22:08:31,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:31,226 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) [2024-10-31 22:08:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-10-31 22:08:31,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:08:31,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:31,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 13 letters. Loop has 3 letters. [2024-10-31 22:08:31,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:31,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 6 letters. [2024-10-31 22:08:31,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:31,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-10-31 22:08:31,227 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:08:31,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-10-31 22:08:31,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:08:31,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:08:31,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:08:31,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:31,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:31,229 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:31,229 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:31,232 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:08:31,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:08:31,232 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:08:31,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:08:31,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:08:31 BoogieIcfgContainer [2024-10-31 22:08:31,246 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:08:31,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:31,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:31,247 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:31,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:26" (3/4) ... [2024-10-31 22:08:31,249 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:08:31,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:31,252 INFO L158 Benchmark]: Toolchain (without parser) took 6065.85ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 105.5MB in the beginning and 169.2MB in the end (delta: -63.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:31,252 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:31,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.59ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 89.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:08:31,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 86.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:31,256 INFO L158 Benchmark]: Boogie Preprocessor took 56.99ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 83.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:08:31,256 INFO L158 Benchmark]: RCFGBuilder took 918.95ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 52.5MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:31,257 INFO L158 Benchmark]: BuchiAutomizer took 4635.10ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 52.0MB in the beginning and 170.3MB in the end (delta: -118.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:31,258 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 211.8MB. Free memory was 170.3MB in the beginning and 169.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:31,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.59ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 89.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 86.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.99ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 83.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 918.95ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 52.5MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4635.10ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 52.0MB in the beginning and 170.3MB in the end (delta: -118.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 211.8MB. Free memory was 170.3MB in the beginning and 169.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 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 4.5s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 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, 371 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 406 mSDtfsCounter, 84 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: 36ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:08:31,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed445bfc-dbd6-4bd9-9fac-55629b3bfc73/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE