./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:12,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:12,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:40:12,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:12,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:12,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:12,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:12,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:12,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:12,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:12,603 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:12,603 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:40:12,604 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:40:12,605 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:40:12,605 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:40:12,606 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:40:12,606 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:40:12,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:12,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:40:12,608 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:12,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:12,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:12,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:12,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:40:12,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:40:12,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:40:12,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:40:12,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:12,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:12,613 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:40:12,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:12,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:12,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:12,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:12,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:12,617 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:40:12,617 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_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2023-11-19 07:40:12,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:12,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:12,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:12,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:12,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:12,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2023-11-19 07:40:16,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:16,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:16,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2023-11-19 07:40:16,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/data/b39f9542e/bb2b627ca3654e84b7916e47e44b9caf/FLAG21e15fb1e [2023-11-19 07:40:16,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/data/b39f9542e/bb2b627ca3654e84b7916e47e44b9caf [2023-11-19 07:40:16,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:16,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:16,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:16,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:16,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:16,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:16" (1/1) ... [2023-11-19 07:40:16,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1b14bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:16, skipping insertion in model container [2023-11-19 07:40:16,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:16" (1/1) ... [2023-11-19 07:40:16,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:16,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:16,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:17,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:17,091 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:17,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17 WrapperNode [2023-11-19 07:40:17,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:17,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:17,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:17,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:17,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,187 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 385 [2023-11-19 07:40:17,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:17,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:17,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:17,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:17,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:17,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:17,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:17,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:17,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (1/1) ... [2023-11-19 07:40:17,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:17,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:17,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:17,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:17,530 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:17,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:18,313 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:18,324 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:18,325 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:40:18,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:18 BoogieIcfgContainer [2023-11-19 07:40:18,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:18,332 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:40:18,332 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:40:18,336 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:40:18,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:18,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:40:16" (1/3) ... [2023-11-19 07:40:18,339 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55839067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:40:18, skipping insertion in model container [2023-11-19 07:40:18,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:18,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:17" (2/3) ... [2023-11-19 07:40:18,340 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55839067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:40:18, skipping insertion in model container [2023-11-19 07:40:18,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:18,341 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:18" (3/3) ... [2023-11-19 07:40:18,342 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2023-11-19 07:40:18,410 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:40:18,410 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:40:18,410 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:40:18,410 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:40:18,410 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:40:18,411 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:40:18,411 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:40:18,411 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:40:18,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 124 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 123 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:18,463 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-19 07:40:18,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:18,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:18,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:40:18,473 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:40:18,473 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:40:18,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 124 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 123 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:18,485 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-19 07:40:18,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:18,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:18,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:40:18,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:40:18,494 INFO L748 eck$LassoCheckResult]: Stem: 31#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 68#L30true assume !(0 == base2flt_~m#1 % 4294967296); 115#L36true assume !(base2flt_~m#1 % 4294967296 < 16777216); 17#L58-2true [2023-11-19 07:40:18,494 INFO L750 eck$LassoCheckResult]: Loop: 17#L58-2true assume !false; 96#L59true assume base2flt_~m#1 % 4294967296 >= 33554432; 121#L60true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 17#L58-2true [2023-11-19 07:40:18,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:18,500 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2023-11-19 07:40:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:18,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297663204] [2023-11-19 07:40:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:18,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:18,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:18,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297663204] [2023-11-19 07:40:18,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297663204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:18,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:18,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:18,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165819720] [2023-11-19 07:40:18,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:18,864 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:40:18,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:18,866 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2023-11-19 07:40:18,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:18,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442382720] [2023-11-19 07:40:18,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:18,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:18,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:18,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:19,009 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:19,011 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:19,011 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:19,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:19,011 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:40:19,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:19,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:19,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2023-11-19 07:40:19,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:19,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:19,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:19,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:19,182 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:19,182 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:40:19,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:19,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:19,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:40:19,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:19,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:40:19,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:19,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:19,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:40:19,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:40:19,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:19,323 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:40:19,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:19,333 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:19,333 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:19,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:19,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:19,334 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:40:19,334 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,334 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:19,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:19,334 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2023-11-19 07:40:19,334 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:19,335 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:19,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:19,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:19,508 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:19,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:40:19,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:19,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:19,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:19,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:40:19,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:19,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:19,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:19,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:19,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:19,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:19,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:19,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:19,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:19,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:19,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:19,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:40:19,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:19,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:19,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:19,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:19,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:19,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:19,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:19,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:19,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:40:19,635 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:40:19,635 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:40:19,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:19,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:19,670 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:19,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:40:19,678 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:40:19,678 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:40:19,678 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:40:19,679 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-19 07:40:19,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:19,697 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:40:19,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:19,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:40:19,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:19,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:40:19,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:19,846 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-19 07:40:19,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 124 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 123 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:20,026 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 124 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 123 states have internal predecessors, (203), 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 369 states and 598 transitions. Complement of second has 6 states. [2023-11-19 07:40:20,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:40:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 392 transitions. [2023-11-19 07:40:20,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 392 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-19 07:40:20,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:20,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 392 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-19 07:40:20,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:20,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 392 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-19 07:40:20,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:20,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 598 transitions. [2023-11-19 07:40:20,063 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2023-11-19 07:40:20,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 77 states and 118 transitions. [2023-11-19 07:40:20,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2023-11-19 07:40:20,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2023-11-19 07:40:20,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 118 transitions. [2023-11-19 07:40:20,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:40:20,073 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 118 transitions. [2023-11-19 07:40:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 118 transitions. [2023-11-19 07:40:20,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 61. [2023-11-19 07:40:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 60 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 97 transitions. [2023-11-19 07:40:20,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 97 transitions. [2023-11-19 07:40:20,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:20,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:20,109 INFO L87 Difference]: Start difference. First operand 61 states and 97 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:20,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:20,176 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2023-11-19 07:40:20,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2023-11-19 07:40:20,177 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-19 07:40:20,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 40 transitions. [2023-11-19 07:40:20,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:40:20,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:40:20,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2023-11-19 07:40:20,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:20,179 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-19 07:40:20,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2023-11-19 07:40:20,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-19 07:40:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2023-11-19 07:40:20,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-19 07:40:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:20,187 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-19 07:40:20,187 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:40:20,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2023-11-19 07:40:20,188 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-19 07:40:20,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:20,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:20,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:20,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:40:20,190 INFO L748 eck$LassoCheckResult]: Stem: 654#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 637#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 631#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 632#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 638#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 648#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 645#L36-1 assume base2flt_~m#1 % 4294967296 < 16777216; 629#L48-3 [2023-11-19 07:40:20,190 INFO L750 eck$LassoCheckResult]: Loop: 629#L48-3 assume !false; 642#L39-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 628#L48-2 assume base2flt_~m#1 % 4294967296 < 16777216; 629#L48-3 [2023-11-19 07:40:20,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:20,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335815, now seen corresponding path program 1 times [2023-11-19 07:40:20,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:20,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733129360] [2023-11-19 07:40:20,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:20,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:20,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:20,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:20,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:20,248 INFO L85 PathProgramCache]: Analyzing trace with hash 134251, now seen corresponding path program 1 times [2023-11-19 07:40:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:20,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838821089] [2023-11-19 07:40:20,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:20,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:20,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:20,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:20,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash 631346469, now seen corresponding path program 1 times [2023-11-19 07:40:20,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:20,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108526752] [2023-11-19 07:40:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:20,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:20,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:20,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:20,382 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:20,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:20,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:20,383 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:20,383 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:40:20,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:20,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:20,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:20,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2023-11-19 07:40:20,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:20,384 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:20,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:20,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:20,520 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:20,520 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:40:20,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:20,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:20,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:40:20,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:20,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:40:20,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:20,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:20,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:20,571 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:20,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:40:20,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:20,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:40:20,641 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:40:20,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:20,650 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:20,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:20,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:20,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:20,651 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:40:20,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:20,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:20,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:20,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2023-11-19 07:40:20,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:20,652 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:20,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:20,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:20,790 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:20,791 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:40:20,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:20,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:20,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:20,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:20,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:20,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:20,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:20,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:20,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:20,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:20,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:20,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:40:20,840 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:40:20,843 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:40:20,843 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:40:20,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:20,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:20,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:40:20,852 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:40:20,852 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:40:20,852 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2023-11-19 07:40:20,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:40:20,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:20,877 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:40:20,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:20,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:40:20,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:20,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:40:20,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:20,991 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:40:20,992 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:21,036 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 79 transitions. Complement of second has 5 states. [2023-11-19 07:40:21,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:40:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2023-11-19 07:40:21,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-19 07:40:21,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:21,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-19 07:40:21,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:21,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-19 07:40:21,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:21,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 79 transitions. [2023-11-19 07:40:21,045 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2023-11-19 07:40:21,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 66 transitions. [2023-11-19 07:40:21,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2023-11-19 07:40:21,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2023-11-19 07:40:21,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 66 transitions. [2023-11-19 07:40:21,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:40:21,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 66 transitions. [2023-11-19 07:40:21,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 66 transitions. [2023-11-19 07:40:21,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2023-11-19 07:40:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-19 07:40:21,056 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-19 07:40:21,056 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-19 07:40:21,056 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:40:21,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2023-11-19 07:40:21,057 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-19 07:40:21,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:21,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:21,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:21,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:40:21,057 INFO L748 eck$LassoCheckResult]: Stem: 793#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 768#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 769#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 775#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 787#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 783#L36-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 772#L58-5 [2023-11-19 07:40:21,058 INFO L750 eck$LassoCheckResult]: Loop: 772#L58-5 assume !false; 778#L59-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 770#L60-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 772#L58-5 [2023-11-19 07:40:21,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335841, now seen corresponding path program 1 times [2023-11-19 07:40:21,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:21,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154634561] [2023-11-19 07:40:21,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:21,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,084 INFO L85 PathProgramCache]: Analyzing trace with hash 160010, now seen corresponding path program 1 times [2023-11-19 07:40:21,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:21,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741891690] [2023-11-19 07:40:21,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:21,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:21,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,104 INFO L85 PathProgramCache]: Analyzing trace with hash 632146794, now seen corresponding path program 1 times [2023-11-19 07:40:21,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:21,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506154903] [2023-11-19 07:40:21,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:21,164 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:21,165 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:21,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:21,165 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:21,165 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:40:21,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:21,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:21,166 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2023-11-19 07:40:21,166 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:21,166 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:21,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:21,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:21,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:21,265 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:40:21,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:21,266 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:21,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:40:21,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:21,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:40:21,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:21,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:21,319 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:21,327 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:40:21,327 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:21,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:40:21,381 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:40:21,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:21,392 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:21,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:21,393 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:21,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:21,393 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:40:21,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:21,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:21,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2023-11-19 07:40:21,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:21,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:21,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:21,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:21,498 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:21,499 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:40:21,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:21,503 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:21,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:21,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:21,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:21,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:21,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:21,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:21,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:21,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:21,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:40:21,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:40:21,538 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:40:21,538 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:40:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:21,544 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:21,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:40:21,551 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:40:21,551 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:40:21,551 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-19 07:40:21,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:40:21,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:21,575 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:40:21,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:21,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:40:21,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:21,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:40:21,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:21,623 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-19 07:40:21,623 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:21,648 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 82 transitions. Complement of second has 5 states. [2023-11-19 07:40:21,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:40:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-11-19 07:40:21,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-19 07:40:21,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:21,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-19 07:40:21,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:21,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-19 07:40:21,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:21,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2023-11-19 07:40:21,652 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-19 07:40:21,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 69 transitions. [2023-11-19 07:40:21,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2023-11-19 07:40:21,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2023-11-19 07:40:21,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 69 transitions. [2023-11-19 07:40:21,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:40:21,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-19 07:40:21,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 69 transitions. [2023-11-19 07:40:21,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2023-11-19 07:40:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2023-11-19 07:40:21,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-19 07:40:21,657 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-19 07:40:21,657 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:40:21,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2023-11-19 07:40:21,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:40:21,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:21,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:21,671 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:21,671 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:40:21,672 INFO L748 eck$LassoCheckResult]: Stem: 936#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 915#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 908#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 909#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 916#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 930#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 911#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 914#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 902#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 903#L36-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 917#L58-8 [2023-11-19 07:40:21,672 INFO L750 eck$LassoCheckResult]: Loop: 917#L58-8 assume !false; 932#L59-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 933#L60-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 917#L58-8 [2023-11-19 07:40:21,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,673 INFO L85 PathProgramCache]: Analyzing trace with hash 631832054, now seen corresponding path program 1 times [2023-11-19 07:40:21,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:21,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086078437] [2023-11-19 07:40:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:21,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:21,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,694 INFO L85 PathProgramCache]: Analyzing trace with hash 245408, now seen corresponding path program 1 times [2023-11-19 07:40:21,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:21,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945710954] [2023-11-19 07:40:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:21,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:21,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:21,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1932722037, now seen corresponding path program 1 times [2023-11-19 07:40:21,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:21,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760033708] [2023-11-19 07:40:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:21,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:21,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:21,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:21,786 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:21,786 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:21,787 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:21,787 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:21,787 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:40:21,787 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:21,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:21,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2023-11-19 07:40:21,788 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:21,788 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:21,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:21,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:21,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:21,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:21,892 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:40:21,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:21,893 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:21,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:40:21,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:21,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:40:21,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:21,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:21,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:21,956 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:21,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:40:21,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:40:21,966 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:21,999 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:40:22,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-19 07:40:22,004 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:22,004 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:22,004 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:22,004 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:22,004 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:40:22,004 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,004 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:22,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:22,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2023-11-19 07:40:22,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:22,005 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:22,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:22,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:22,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:22,108 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:40:22,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,113 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:22,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:22,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:22,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:22,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:22,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:22,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:40:22,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:22,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:22,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:22,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,169 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:22,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:22,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:22,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:22,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:22,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:22,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:22,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:40:22,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:40:22,212 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:40:22,213 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:40:22,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,217 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:40:22,223 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:40:22,224 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:40:22,224 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:40:22,224 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2023-11-19 07:40:22,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:22,249 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:40:22,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:22,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:40:22,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:22,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:40:22,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:22,330 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-19 07:40:22,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:22,350 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 52 transitions. Complement of second has 4 states. [2023-11-19 07:40:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:40:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2023-11-19 07:40:22,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-19 07:40:22,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:22,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-19 07:40:22,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:22,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-19 07:40:22,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:22,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2023-11-19 07:40:22,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:40:22,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 32 states and 44 transitions. [2023-11-19 07:40:22,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-19 07:40:22,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-19 07:40:22,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2023-11-19 07:40:22,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:40:22,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-19 07:40:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2023-11-19 07:40:22,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-19 07:40:22,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-19 07:40:22,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-19 07:40:22,361 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-19 07:40:22,361 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:40:22,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2023-11-19 07:40:22,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:40:22,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:22,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:22,362 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:22,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:40:22,363 INFO L748 eck$LassoCheckResult]: Stem: 1063#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 1045#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1038#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1039#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 1046#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1059#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1041#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1044#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1032#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 1033#L36-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1047#L48-5 [2023-11-19 07:40:22,363 INFO L750 eck$LassoCheckResult]: Loop: 1047#L48-5 assume !false; 1061#L39-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1060#L48-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1047#L48-5 [2023-11-19 07:40:22,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash 631832028, now seen corresponding path program 1 times [2023-11-19 07:40:22,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819274595] [2023-11-19 07:40:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:22,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:22,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:22,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:22,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash 219649, now seen corresponding path program 1 times [2023-11-19 07:40:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:22,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903075286] [2023-11-19 07:40:22,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:22,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:22,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:22,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:22,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1933522362, now seen corresponding path program 1 times [2023-11-19 07:40:22,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:22,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992344549] [2023-11-19 07:40:22,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:22,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:22,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:22,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:22,500 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:22,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:22,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:22,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:22,501 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:40:22,501 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,501 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:22,501 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:22,501 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2023-11-19 07:40:22,502 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:22,502 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:22,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:22,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:22,616 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:22,617 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:40:22,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,618 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:40:22,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:22,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:40:22,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:40:22,677 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:40:22,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:22,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,688 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:40:22,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:22,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:40:22,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:22,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,740 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:40:22,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:40:22,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:40:22,829 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:40:22,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:22,838 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:22,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:22,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:22,838 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:22,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:40:22,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:22,839 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:22,839 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2023-11-19 07:40:22,839 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:22,839 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:22,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:22,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:40:22,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:22,968 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:40:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:22,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:22,970 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:22,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:40:22,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:22,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:22,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:22,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:22,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:22,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:22,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:22,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:23,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:23,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:23,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:23,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:23,033 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:23,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:40:23,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:23,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:23,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:23,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:23,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:23,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:23,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:23,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:40:23,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:40:23,067 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:40:23,067 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:40:23,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:23,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:23,068 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:23,071 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:40:23,071 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:40:23,071 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:40:23,071 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2023-11-19 07:40:23,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:40:23,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:23,095 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:40:23,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:23,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:40:23,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:23,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:40:23,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:23,174 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:40:23,175 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:23,184 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 48 transitions. Complement of second has 4 states. [2023-11-19 07:40:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:40:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2023-11-19 07:40:23,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-19 07:40:23,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:23,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-19 07:40:23,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:23,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-19 07:40:23,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:23,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2023-11-19 07:40:23,190 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:40:23,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2023-11-19 07:40:23,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:40:23,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:40:23,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:40:23,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:23,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:40:23,191 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:40:23,191 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:40:23,191 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:40:23,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:40:23,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:40:23,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:40:23,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:40:23 BoogieIcfgContainer [2023-11-19 07:40:23,206 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:40:23,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:40:23,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:40:23,207 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:40:23,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:18" (3/4) ... [2023-11-19 07:40:23,209 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:40:23,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:40:23,212 INFO L158 Benchmark]: Toolchain (without parser) took 6669.89ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 120.5MB in the beginning and 73.0MB in the end (delta: 47.5MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,212 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:23,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.02ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 105.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.53ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 102.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,213 INFO L158 Benchmark]: Boogie Preprocessor took 95.14ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,213 INFO L158 Benchmark]: RCFGBuilder took 1038.43ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 105.4MB in the end (delta: -4.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,214 INFO L158 Benchmark]: BuchiAutomizer took 4874.28ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 104.8MB in the beginning and 74.1MB in the end (delta: 30.7MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,217 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 182.5MB. Free memory was 74.1MB in the beginning and 73.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:23,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.02ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 105.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.53ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 102.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.14ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1038.43ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 105.4MB in the end (delta: -4.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 4874.28ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 104.8MB in the beginning and 74.1MB in the end (delta: 30.7MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 182.5MB. Free memory was 74.1MB in the beginning and 73.0MB 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 ((-2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function ((2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function ((2 * e) + 255) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 49 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 364 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 359 mSDsluCounter, 432 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 389 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div611 bol100 ite100 ukn100 eq131 hnf96 smp40 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:40:23,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:23,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-19 07:40:23,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2819c-030e-4126-ae1a-6ad842631b68/bin/uautomizer-verify-uCwYo4JHxu/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