./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/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_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:07:31,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:07:31,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:07:31,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:07:31,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:07:31,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:07:31,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:07:31,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:07:31,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:07:31,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:07:31,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:07:31,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:07:31,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:07:31,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:07:31,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:07:31,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:07:31,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:07:31,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:07:31,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:07:31,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:07:31,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:07:31,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:07:31,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:07:31,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:07:31,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:07:31,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:07:31,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:07:31,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:07:31,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:07:31,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:07:31,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:07:31,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:07:31,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:07:31,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:07:31,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:07:31,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:07:31,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:07:31,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:07:31,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:07:31,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:07:31,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:07:31,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 14:07:31,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:07:31,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:07:31,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:07:31,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:07:31,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:07:31,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:07:31,249 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:07:31,249 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:07:31,249 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:07:31,250 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:07:31,250 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:07:31,250 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:07:31,250 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:07:31,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:07:31,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:07:31,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:07:31,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:07:31,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:07:31,252 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:07:31,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:07:31,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:07:31,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:07:31,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:07:31,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:07:31,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:07:31,254 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:07:31,254 INFO L138 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_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2022-12-13 14:07:31,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:07:31,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:07:31,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:07:31,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:07:31,457 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:07:31,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2022-12-13 14:07:34,026 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:07:34,198 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:07:34,199 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2022-12-13 14:07:34,204 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/data/d7f4cfc73/b43e39e2737e47ff92d581267900d995/FLAG5ce3118ee [2022-12-13 14:07:34,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/data/d7f4cfc73/b43e39e2737e47ff92d581267900d995 [2022-12-13 14:07:34,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:07:34,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:07:34,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:07:34,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:07:34,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:07:34,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187423ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34, skipping insertion in model container [2022-12-13 14:07:34,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:07:34,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:07:34,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c[755,768] [2022-12-13 14:07:34,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:07:34,447 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:07:34,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c[755,768] [2022-12-13 14:07:34,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:07:34,488 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:07:34,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34 WrapperNode [2022-12-13 14:07:34,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:07:34,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:07:34,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:07:34,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:07:34,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,522 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 13, calls inlined = 11, statements flattened = 404 [2022-12-13 14:07:34,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:07:34,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:07:34,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:07:34,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:07:34,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,543 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:07:34,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:07:34,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:07:34,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:07:34,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (1/1) ... [2022-12-13 14:07:34,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:34,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:34,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:07:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:07:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:07:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:07:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:07:34,667 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:07:34,668 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:07:35,087 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:07:35,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:07:35,092 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 14:07:35,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:07:35 BoogieIcfgContainer [2022-12-13 14:07:35,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:07:35,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:07:35,095 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:07:35,108 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:07:35,109 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:07:35,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:07:34" (1/3) ... [2022-12-13 14:07:35,110 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@403976af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:07:35, skipping insertion in model container [2022-12-13 14:07:35,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:07:35,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:07:34" (2/3) ... [2022-12-13 14:07:35,111 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@403976af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:07:35, skipping insertion in model container [2022-12-13 14:07:35,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:07:35,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:07:35" (3/3) ... [2022-12-13 14:07:35,113 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2022-12-13 14:07:35,155 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:07:35,155 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:07:35,155 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:07:35,155 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:07:35,155 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:07:35,155 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:07:35,156 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:07:35,156 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:07:35,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 124 states have internal predecessors, (207), 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) [2022-12-13 14:07:35,177 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2022-12-13 14:07:35,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:07:35,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:07:35,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 14:07:35,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:07:35,182 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:07:35,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 124 states have internal predecessors, (207), 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) [2022-12-13 14:07:35,187 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2022-12-13 14:07:35,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:07:35,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:07:35,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 14:07:35,188 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:07:35,194 INFO L748 eck$LassoCheckResult]: Stem: 31#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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); 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_#t~ret25#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;main_~ma~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~ea~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~eb~2#1 := main_#t~nondet21#1;havoc main_#t~nondet21#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); 114#L36true assume !(base2flt_~m#1 % 4294967296 < 16777216); 16#L58-2true [2022-12-13 14:07:35,194 INFO L750 eck$LassoCheckResult]: Loop: 16#L58-2true assume !false; 94#L59true assume base2flt_~m#1 % 4294967296 >= 33554432; 122#L60true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 16#L58-2true [2022-12-13 14:07:35,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:35,198 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2022-12-13 14:07:35,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:35,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481924584] [2022-12-13 14:07:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:35,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:35,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:07:35,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481924584] [2022-12-13 14:07:35,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481924584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:07:35,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:07:35,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:07:35,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000562353] [2022-12-13 14:07:35,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:07:35,374 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 14:07:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:35,374 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2022-12-13 14:07:35,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:35,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709216363] [2022-12-13 14:07:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:35,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:35,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:35,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:35,444 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:35,444 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:35,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:35,445 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:35,445 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:07:35,445 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,445 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:35,445 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:35,445 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2022-12-13 14:07:35,445 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:35,446 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:35,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:35,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:35,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:35,559 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:07:35,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:35,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:35,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 14:07:35,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:35,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:35,585 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:07:35,585 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=-1} Honda state: {ULTIMATE.start_base2flt_~m#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 14:07:35,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:07:35,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:35,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:35,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 14:07:35,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:35,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:35,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 14:07:35,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:35,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:35,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 14:07:35,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:07:35,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:35,632 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:07:35,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 14:07:35,635 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:35,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:35,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:35,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:35,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:07:35,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:35,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:35,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2022-12-13 14:07:35,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:35,636 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:35,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:35,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:35,716 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:35,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:07:35,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:35,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:35,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 14:07:35,725 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 [2022-12-13 14:07:35,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:35,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:35,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:35,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:35,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:35,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:35,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:35,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:07:35,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 14:07:35,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:35,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:35,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 14:07:35,748 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 [2022-12-13 14:07:35,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:35,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:35,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:35,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:35,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:35,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:35,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:35,762 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:07:35,765 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 14:07:35,765 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 14:07:35,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:35,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:35,799 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:35,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 14:07:35,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:07:35,801 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 14:07:35,801 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:07:35,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2022-12-13 14:07:35,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 14:07:35,807 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 14:07:35,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:35,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:07:35,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:35,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:07:35,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:35,888 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 [2022-12-13 14:07:35,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 125 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 124 states have internal predecessors, (207), 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) [2022-12-13 14:07:35,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 125 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 124 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 377 states and 614 transitions. Complement of second has 6 states. [2022-12-13 14:07:35,970 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 [2022-12-13 14:07:35,974 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) [2022-12-13 14:07:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 405 transitions. [2022-12-13 14:07:35,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 405 transitions. Stem has 4 letters. Loop has 3 letters. [2022-12-13 14:07:35,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:35,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 405 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 14:07:35,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:35,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 405 transitions. Stem has 4 letters. Loop has 6 letters. [2022-12-13 14:07:35,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:35,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 614 transitions. [2022-12-13 14:07:35,984 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2022-12-13 14:07:35,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 77 states and 118 transitions. [2022-12-13 14:07:35,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2022-12-13 14:07:35,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2022-12-13 14:07:35,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 118 transitions. [2022-12-13 14:07:35,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:07:35,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 118 transitions. [2022-12-13 14:07:36,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 118 transitions. [2022-12-13 14:07:36,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 61. [2022-12-13 14:07:36,008 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) [2022-12-13 14:07:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 97 transitions. [2022-12-13 14:07:36,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 97 transitions. [2022-12-13 14:07:36,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:07:36,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:07:36,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:07:36,012 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) [2022-12-13 14:07:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:07:36,044 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2022-12-13 14:07:36,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2022-12-13 14:07:36,045 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-12-13 14:07:36,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 40 transitions. [2022-12-13 14:07:36,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-12-13 14:07:36,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 14:07:36,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2022-12-13 14:07:36,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:07:36,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-13 14:07:36,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2022-12-13 14:07:36,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-13 14:07:36,047 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) [2022-12-13 14:07:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2022-12-13 14:07:36,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-13 14:07:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:07:36,048 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-13 14:07:36,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:07:36,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2022-12-13 14:07:36,048 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-12-13 14:07:36,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:07:36,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:07:36,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:07:36,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:07:36,053 INFO L748 eck$LassoCheckResult]: Stem: 663#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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); 646#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_#t~ret25#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;main_~ma~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~ea~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~eb~2#1 := main_#t~nondet21#1;havoc main_#t~nondet21#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; 640#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 641#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 647#base2flt_returnLabel#1 main_#t~ret22#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret22#1;havoc main_#t~ret22#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; 657#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 654#L36-1 assume base2flt_~m#1 % 4294967296 < 16777216; 638#L48-3 [2022-12-13 14:07:36,053 INFO L750 eck$LassoCheckResult]: Loop: 638#L48-3 assume !false; 651#L39-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * base2flt_~m#1; 637#L48-2 assume base2flt_~m#1 % 4294967296 < 16777216; 638#L48-3 [2022-12-13 14:07:36,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 14:07:36,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335815, now seen corresponding path program 1 times [2022-12-13 14:07:36,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000990538] [2022-12-13 14:07:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,077 INFO L85 PathProgramCache]: Analyzing trace with hash 134251, now seen corresponding path program 1 times [2022-12-13 14:07:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732825592] [2022-12-13 14:07:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,086 INFO L85 PathProgramCache]: Analyzing trace with hash 631346469, now seen corresponding path program 1 times [2022-12-13 14:07:36,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585045097] [2022-12-13 14:07:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,133 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:36,133 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:36,133 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:36,133 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:36,133 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:07:36,133 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,133 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:36,133 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:36,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2022-12-13 14:07:36,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:36,134 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:36,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,190 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:36,190 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:07:36,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 14:07:36,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:36,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,213 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:07:36,213 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: [] [2022-12-13 14:07:36,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 14:07:36,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,218 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 14:07:36,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:36,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-12-13 14:07:36,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,235 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 14:07:36,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:07:36,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,257 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:07:36,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 14:07:36,261 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:36,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:36,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:36,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:36,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:07:36,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:36,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:36,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2022-12-13 14:07:36,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:36,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:36,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:36,315 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:07:36,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,316 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 14:07:36,319 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 [2022-12-13 14:07:36,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:36,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:36,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:36,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:36,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:36,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:36,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:36,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:07:36,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 14:07:36,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,337 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 14:07:36,340 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 [2022-12-13 14:07:36,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:36,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:36,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:36,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:36,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:36,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:36,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:36,353 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:07:36,355 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 14:07:36,356 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 14:07:36,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,357 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 14:07:36,359 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:07:36,359 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 14:07:36,359 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:07:36,359 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2022-12-13 14:07:36,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 14:07:36,363 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 14:07:36,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:36,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:07:36,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:36,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:07:36,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:36,423 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 [2022-12-13 14:07:36,423 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) [2022-12-13 14:07:36,442 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. [2022-12-13 14:07:36,443 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 [2022-12-13 14:07:36,443 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) [2022-12-13 14:07:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-13 14:07:36,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 14:07:36,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:36,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 14:07:36,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:36,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 6 letters. [2022-12-13 14:07:36,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:36,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 79 transitions. [2022-12-13 14:07:36,445 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2022-12-13 14:07:36,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 66 transitions. [2022-12-13 14:07:36,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-12-13 14:07:36,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-12-13 14:07:36,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 66 transitions. [2022-12-13 14:07:36,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:07:36,446 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 66 transitions. [2022-12-13 14:07:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 66 transitions. [2022-12-13 14:07:36,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-12-13 14:07:36,447 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) [2022-12-13 14:07:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-12-13 14:07:36,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 14:07:36,447 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 14:07:36,447 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 14:07:36,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-12-13 14:07:36,448 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-12-13 14:07:36,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:07:36,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:07:36,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:07:36,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:07:36,448 INFO L748 eck$LassoCheckResult]: Stem: 802#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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); 783#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_#t~ret25#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;main_~ma~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~ea~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~eb~2#1 := main_#t~nondet21#1;havoc main_#t~nondet21#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; 777#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 778#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 784#base2flt_returnLabel#1 main_#t~ret22#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret22#1;havoc main_#t~ret22#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 796#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 792#L36-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 781#L58-5 [2022-12-13 14:07:36,448 INFO L750 eck$LassoCheckResult]: Loop: 781#L58-5 assume !false; 787#L59-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 779#L60-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 781#L58-5 [2022-12-13 14:07:36,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335841, now seen corresponding path program 1 times [2022-12-13 14:07:36,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655459076] [2022-12-13 14:07:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,462 INFO L85 PathProgramCache]: Analyzing trace with hash 160010, now seen corresponding path program 1 times [2022-12-13 14:07:36,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950816625] [2022-12-13 14:07:36,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,470 INFO L85 PathProgramCache]: Analyzing trace with hash 632146794, now seen corresponding path program 1 times [2022-12-13 14:07:36,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426555683] [2022-12-13 14:07:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,510 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:36,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:36,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:36,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:36,510 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:07:36,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,510 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:36,510 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:36,510 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2022-12-13 14:07:36,510 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:36,510 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:36,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,585 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:36,585 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:07:36,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,586 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 14:07:36,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:36,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 14:07:36,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,604 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 14:07:36,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:07:36,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,626 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:07:36,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 14:07:36,629 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:36,629 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:36,629 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:36,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:36,629 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:07:36,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:36,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:36,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2022-12-13 14:07:36,630 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:36,630 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:36,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:36,697 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:07:36,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,699 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 14:07:36,701 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 [2022-12-13 14:07:36,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:36,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:36,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:36,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:36,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:36,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:36,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:36,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:07:36,717 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 14:07:36,717 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 14:07:36,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,718 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 14:07:36,720 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:07:36,720 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 14:07:36,720 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:07:36,720 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2022-12-13 14:07:36,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 14:07:36,723 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 14:07:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:36,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:07:36,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:36,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:07:36,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:36,756 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 [2022-12-13 14:07:36,756 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) [2022-12-13 14:07:36,774 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. [2022-12-13 14:07:36,774 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 [2022-12-13 14:07:36,775 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) [2022-12-13 14:07:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-13 14:07:36,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 14:07:36,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:36,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 14:07:36,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:36,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 6 letters. [2022-12-13 14:07:36,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:36,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2022-12-13 14:07:36,777 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-12-13 14:07:36,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 69 transitions. [2022-12-13 14:07:36,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-12-13 14:07:36,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2022-12-13 14:07:36,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 69 transitions. [2022-12-13 14:07:36,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:07:36,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 69 transitions. [2022-12-13 14:07:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 69 transitions. [2022-12-13 14:07:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2022-12-13 14:07:36,780 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) [2022-12-13 14:07:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2022-12-13 14:07:36,780 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-12-13 14:07:36,780 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-12-13 14:07:36,781 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 14:07:36,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2022-12-13 14:07:36,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 14:07:36,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:07:36,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:07:36,782 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:07:36,782 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:07:36,782 INFO L748 eck$LassoCheckResult]: Stem: 945#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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); 924#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_#t~ret25#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;main_~ma~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~ea~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~eb~2#1 := main_#t~nondet21#1;havoc main_#t~nondet21#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; 917#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 918#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 927#base2flt_returnLabel#1 main_#t~ret22#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret22#1;havoc main_#t~ret22#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~nondet4#1, base2flt_#t~nondet5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 939#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 920#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 923#base2flt_returnLabel#2 main_#t~ret23#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret23#1;havoc main_#t~ret23#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; 911#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 912#L36-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 925#L58-8 [2022-12-13 14:07:36,782 INFO L750 eck$LassoCheckResult]: Loop: 925#L58-8 assume !false; 941#L59-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 942#L60-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 925#L58-8 [2022-12-13 14:07:36,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,782 INFO L85 PathProgramCache]: Analyzing trace with hash 631832054, now seen corresponding path program 1 times [2022-12-13 14:07:36,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668122618] [2022-12-13 14:07:36,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,804 INFO L85 PathProgramCache]: Analyzing trace with hash 245408, now seen corresponding path program 1 times [2022-12-13 14:07:36,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031913129] [2022-12-13 14:07:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:36,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1932722037, now seen corresponding path program 1 times [2022-12-13 14:07:36,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:36,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018978280] [2022-12-13 14:07:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:36,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:36,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:36,863 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:36,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:36,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:36,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:36,863 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:07:36,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,863 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:36,863 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:36,863 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2022-12-13 14:07:36,863 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:36,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:36,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:36,931 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:36,931 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:07:36,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 14:07:36,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:36,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:07:36,954 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=-1} Honda state: {ULTIMATE.start_base2flt_~m#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 14:07:36,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 14:07:36,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,959 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 14:07:36,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:36,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:36,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 14:07:36,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:36,976 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:36,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 14:07:36,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:07:36,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:37,004 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:07:37,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 14:07:37,008 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:37,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:37,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:37,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:37,008 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:07:37,008 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,008 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:37,008 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:37,008 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2022-12-13 14:07:37,008 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:37,008 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:37,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:37,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:37,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 14:07:37,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 14:07:37,086 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:37,087 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:07:37,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,088 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 14:07:37,090 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 [2022-12-13 14:07:37,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:37,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:37,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:37,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:37,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:37,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:37,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:37,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:07:37,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 14:07:37,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,112 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 14:07:37,114 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 [2022-12-13 14:07:37,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:37,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:37,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:37,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:37,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:37,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:37,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:37,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:07:37,132 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 14:07:37,132 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 14:07:37,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,134 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 14:07:37,135 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:07:37,136 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 14:07:37,136 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:07:37,136 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2022-12-13 14:07:37,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 14:07:37,139 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 14:07:37,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:37,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:07:37,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:37,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:07:37,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:37,182 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 [2022-12-13 14:07:37,182 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) [2022-12-13 14:07:37,188 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. [2022-12-13 14:07:37,188 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 [2022-12-13 14:07:37,189 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) [2022-12-13 14:07:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-12-13 14:07:37,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 14:07:37,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:37,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 13 letters. Loop has 3 letters. [2022-12-13 14:07:37,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:37,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 6 letters. [2022-12-13 14:07:37,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:37,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2022-12-13 14:07:37,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 14:07:37,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 32 states and 44 transitions. [2022-12-13 14:07:37,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-12-13 14:07:37,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-12-13 14:07:37,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2022-12-13 14:07:37,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 14:07:37,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 14:07:37,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2022-12-13 14:07:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-13 14:07:37,192 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) [2022-12-13 14:07:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-12-13 14:07:37,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 14:07:37,192 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 14:07:37,192 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 14:07:37,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-12-13 14:07:37,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 14:07:37,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:07:37,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:07:37,193 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:07:37,193 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:07:37,193 INFO L748 eck$LassoCheckResult]: Stem: 1072#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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); 1054#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~ret22#1, main_#t~ret23#1, main_#t~ret24#1, main_#t~ret25#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;main_~ma~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~ea~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~eb~2#1 := main_#t~nondet21#1;havoc main_#t~nondet21#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; 1047#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1048#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 1055#base2flt_returnLabel#1 main_#t~ret22#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret22#1;havoc main_#t~ret22#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; 1068#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1050#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1053#base2flt_returnLabel#2 main_#t~ret23#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret23#1;havoc main_#t~ret23#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; 1041#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 1042#L36-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1056#L48-5 [2022-12-13 14:07:37,193 INFO L750 eck$LassoCheckResult]: Loop: 1056#L48-5 assume !false; 1070#L39-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * base2flt_~m#1; 1069#L48-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1056#L48-5 [2022-12-13 14:07:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:37,193 INFO L85 PathProgramCache]: Analyzing trace with hash 631832028, now seen corresponding path program 1 times [2022-12-13 14:07:37,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:37,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251467060] [2022-12-13 14:07:37,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:37,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:37,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:37,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:37,207 INFO L85 PathProgramCache]: Analyzing trace with hash 219649, now seen corresponding path program 1 times [2022-12-13 14:07:37,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:37,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270250963] [2022-12-13 14:07:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:37,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:37,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1933522362, now seen corresponding path program 1 times [2022-12-13 14:07:37,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:37,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092871476] [2022-12-13 14:07:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:37,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:37,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:07:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:07:37,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:07:37,252 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:37,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:37,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:37,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:37,253 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:07:37,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:37,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:37,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2022-12-13 14:07:37,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:37,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:37,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:37,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:37,306 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:37,306 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:07:37,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,308 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 14:07:37,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:07:37,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:37,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 14:07:37,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,324 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 14:07:37,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:07:37,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:07:37,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:07:37,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 14:07:37,351 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:07:37,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:07:37,351 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:07:37,351 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:07:37,351 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:07:37,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:07:37,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:07:37,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2022-12-13 14:07:37,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:07:37,351 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:07:37,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:37,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:07:37,405 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:07:37,405 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:07:37,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,407 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 14:07:37,409 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 [2022-12-13 14:07:37,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:07:37,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:07:37,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:07:37,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:07:37,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:07:37,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:07:37,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:07:37,422 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:07:37,424 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 14:07:37,424 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 14:07:37,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:07:37,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:37,426 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:07:37,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 14:07:37,428 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:07:37,428 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 14:07:37,428 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:07:37,428 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2022-12-13 14:07:37,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 14:07:37,431 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 14:07:37,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:37,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:07:37,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:37,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:07:37,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:37,481 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 [2022-12-13 14:07:37,481 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) [2022-12-13 14:07:37,486 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. [2022-12-13 14:07:37,486 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 [2022-12-13 14:07:37,487 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) [2022-12-13 14:07:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2022-12-13 14:07:37,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 14:07:37,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:37,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2022-12-13 14:07:37,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:37,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 6 letters. [2022-12-13 14:07:37,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:07:37,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2022-12-13 14:07:37,489 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:07:37,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2022-12-13 14:07:37,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 14:07:37,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 14:07:37,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 14:07:37,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:07:37,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:07:37,489 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:07:37,489 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:07:37,489 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 14:07:37,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:07:37,490 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:07:37,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 14:07:37,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:07:37 BoogieIcfgContainer [2022-12-13 14:07:37,497 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:07:37,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:07:37,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:07:37,498 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:07:37,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:07:35" (3/4) ... [2022-12-13 14:07:37,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:07:37,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:07:37,502 INFO L158 Benchmark]: Toolchain (without parser) took 3282.00ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 103.0MB in the beginning and 89.7MB in the end (delta: 13.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-12-13 14:07:37,502 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:07:37,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.72ms. Allocated memory is still 138.4MB. Free memory was 102.6MB in the beginning and 88.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:07:37,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.90ms. Allocated memory is still 138.4MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:07:37,503 INFO L158 Benchmark]: Boogie Preprocessor took 24.09ms. Allocated memory is still 138.4MB. Free memory was 85.6MB in the beginning and 83.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:07:37,503 INFO L158 Benchmark]: RCFGBuilder took 546.28ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 106.8MB in the end (delta: -23.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 14:07:37,503 INFO L158 Benchmark]: BuchiAutomizer took 2402.69ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 89.7MB in the end (delta: 16.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-13 14:07:37,504 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 167.8MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:07:37,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.72ms. Allocated memory is still 138.4MB. Free memory was 102.6MB in the beginning and 88.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.90ms. Allocated memory is still 138.4MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.09ms. Allocated memory is still 138.4MB. Free memory was 85.6MB in the beginning and 83.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.28ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 106.8MB in the end (delta: -23.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2402.69ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 89.7MB in the end (delta: 16.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 167.8MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * e + 253 and consists of 4 locations. One deterministic module has affine ranking function 2 * e + 255 and consists of 3 locations. One deterministic module has affine ranking function -2 * e + 253 and consists of 3 locations. One deterministic module has affine ranking function -2 * e + 253 and consists of 3 locations. One deterministic module has affine ranking function 2 * e + 255 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 373 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 368 mSDsluCounter, 441 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, 398 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp56 ukn100 mio100 lsp100 div570 bol100 ite100 ukn100 eq132 hnf96 smp42 dnf100 smp100 tf105 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 14:07:37,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 14:07:37,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 14:07:37,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46fea29-c2cd-4a68-ba66-8c08caa16c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE