./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/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_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/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_31668dc6-c038-4f37-91ed-c92230beb756/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 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f --- 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 21:42:50,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:42:50,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:42:50,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:42:50,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:42:50,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:42:50,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:42:50,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:42:50,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:42:50,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:42:50,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:42:50,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:42:50,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:42:50,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:42:50,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:42:50,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:42:50,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:42:50,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:42:50,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:42:50,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:42:50,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:42:50,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:42:50,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:42:50,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:42:50,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:42:50,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:42:50,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:42:50,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:42:50,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:42:50,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:42:50,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:42:50,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:42:50,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:42:50,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:42:50,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:42:50,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:42:50,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:42:50,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:42:50,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:42:50,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:42:50,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:42:50,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:42:50,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:42:50,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:42:50,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:42:50,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:42:50,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:42:50,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:42:50,427 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:42:50,427 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:42:50,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:42:50,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:42:50,429 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:42:50,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:42:50,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:42:50,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:42:50,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:42:50,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:42:50,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:42:50,431 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:42:50,431 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_31668dc6-c038-4f37-91ed-c92230beb756/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f [2022-12-13 21:42:50,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:42:50,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:42:50,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:42:50,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:42:50,621 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:42:50,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2022-12-13 21:42:53,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:42:53,395 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:42:53,396 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2022-12-13 21:42:53,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/data/f625f06ed/a16c3eacac7a478788c5a7bec8e640b2/FLAG9abb23311 [2022-12-13 21:42:53,794 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/data/f625f06ed/a16c3eacac7a478788c5a7bec8e640b2 [2022-12-13 21:42:53,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:42:53,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:42:53,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:42:53,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:42:53,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:42:53,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:42:53" (1/1) ... [2022-12-13 21:42:53,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d08aacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:53, skipping insertion in model container [2022-12-13 21:42:53,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:42:53" (1/1) ... [2022-12-13 21:42:53,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:42:53,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:42:53,926 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_31668dc6-c038-4f37-91ed-c92230beb756/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c[730,743] [2022-12-13 21:42:53,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:42:53,968 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:42:53,975 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_31668dc6-c038-4f37-91ed-c92230beb756/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c[730,743] [2022-12-13 21:42:53,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:42:54,009 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:42:54,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54 WrapperNode [2022-12-13 21:42:54,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:42:54,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:42:54,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:42:54,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:42:54,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,045 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 14, calls inlined = 12, statements flattened = 409 [2022-12-13 21:42:54,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:42:54,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:42:54,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:42:54,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:42:54,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:42:54,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:42:54,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:42:54,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:42:54,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (1/1) ... [2022-12-13 21:42:54,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:54,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:54,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:42:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:42:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:42:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:42:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:42:54,191 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:42:54,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:42:54,594 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:42:54,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:42:54,600 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 21:42:54,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:42:54 BoogieIcfgContainer [2022-12-13 21:42:54,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:42:54,602 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:42:54,602 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:42:54,605 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:42:54,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:42:54,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:42:53" (1/3) ... [2022-12-13 21:42:54,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1629c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:42:54, skipping insertion in model container [2022-12-13 21:42:54,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:42:54,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:42:54" (2/3) ... [2022-12-13 21:42:54,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1629c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:42:54, skipping insertion in model container [2022-12-13 21:42:54,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:42:54,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:42:54" (3/3) ... [2022-12-13 21:42:54,608 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2022-12-13 21:42:54,650 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:42:54,651 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:42:54,651 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:42:54,651 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:42:54,651 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:42:54,651 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:42:54,651 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:42:54,651 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:42:54,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 126 states, 125 states have (on average 1.664) internal successors, (208), 125 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:42:54,674 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2022-12-13 21:42:54,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:42:54,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:42:54,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 21:42:54,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:42:54,679 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:42:54,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 126 states, 125 states have (on average 1.664) internal successors, (208), 125 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:42:54,684 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2022-12-13 21:42:54,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:42:54,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:42:54,684 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 21:42:54,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:42:54,690 INFO L748 eck$LassoCheckResult]: Stem: 27#$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); 37#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; 82#L29true assume !(0 == base2flt_~m#1 % 4294967296); 109#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 54#L57-2true [2022-12-13 21:42:54,691 INFO L750 eck$LassoCheckResult]: Loop: 54#L57-2true assume !false; 35#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 95#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 54#L57-2true [2022-12-13 21:42:54,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:54,695 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2022-12-13 21:42:54,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:54,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935815471] [2022-12-13 21:42:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:54,860 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 21:42:54,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:42:54,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935815471] [2022-12-13 21:42:54,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935815471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:42:54,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:42:54,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:42:54,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012842865] [2022-12-13 21:42:54,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:42:54,868 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 21:42:54,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2022-12-13 21:42:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:54,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018177686] [2022-12-13 21:42:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:54,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:54,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:54,932 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:54,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:54,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:54,932 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:54,932 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:42:54,933 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:54,933 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:54,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:54,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2022-12-13 21:42:54,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:54,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:54,946 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 21:42:54,958 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 21:42:55,044 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:55,044 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:42:55,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 21:42:55,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:55,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:55,072 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 21:42:55,072 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 21:42:55,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:42:55,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 21:42:55,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:55,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:55,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 21:42:55,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 21:42:55,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:42:55,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:55,123 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:42:55,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 21:42:55,127 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:55,127 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:55,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:55,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:55,127 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:42:55,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:55,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:55,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2022-12-13 21:42:55,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:55,128 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:55,129 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 21:42:55,136 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 21:42:55,211 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:55,214 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:42:55,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 21:42:55,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 21:42:55,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:55,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:55,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:55,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:55,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:55,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:55,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:55,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 21:42:55,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 21:42:55,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 21:42:55,243 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 21:42:55,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:55,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:55,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:55,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:55,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:55,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:55,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:55,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:42:55,261 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:42:55,261 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 21:42:55,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 21:42:55,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:42:55,282 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:42:55,282 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:42:55,283 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 21:42:55,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 21:42:55,288 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:42:55,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:55,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:42:55,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:55,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:42:55,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:55,339 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 21:42:55,370 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 21:42:55,373 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 126 states, 125 states have (on average 1.664) internal successors, (208), 125 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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 21:42:55,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 126 states, 125 states have (on average 1.664) internal successors, (208), 125 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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 380 states and 617 transitions. Complement of second has 6 states. [2022-12-13 21:42:55,458 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 21:42:55,462 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 21:42:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 407 transitions. [2022-12-13 21:42:55,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 407 transitions. Stem has 4 letters. Loop has 3 letters. [2022-12-13 21:42:55,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:55,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 407 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 21:42:55,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:55,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 407 transitions. Stem has 4 letters. Loop has 6 letters. [2022-12-13 21:42:55,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:55,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 380 states and 617 transitions. [2022-12-13 21:42:55,475 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2022-12-13 21:42:55,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 380 states to 77 states and 118 transitions. [2022-12-13 21:42:55,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2022-12-13 21:42:55,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2022-12-13 21:42:55,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 118 transitions. [2022-12-13 21:42:55,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:42:55,482 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 118 transitions. [2022-12-13 21:42:55,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 118 transitions. [2022-12-13 21:42:55,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 61. [2022-12-13 21:42:55,504 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 21:42:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 97 transitions. [2022-12-13 21:42:55,505 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 97 transitions. [2022-12-13 21:42:55,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:42:55,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:42:55,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:42:55,509 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 21:42:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:42:55,544 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2022-12-13 21:42:55,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2022-12-13 21:42:55,544 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-12-13 21:42:55,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 40 transitions. [2022-12-13 21:42:55,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-12-13 21:42:55,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 21:42:55,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2022-12-13 21:42:55,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:42:55,546 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-13 21:42:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2022-12-13 21:42:55,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-13 21:42:55,547 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 21:42:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2022-12-13 21:42:55,548 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-13 21:42:55,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:42:55,548 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-13 21:42:55,549 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:42:55,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2022-12-13 21:42:55,549 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-12-13 21:42:55,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:42:55,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:42:55,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:42:55,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:42:55,550 INFO L748 eck$LassoCheckResult]: Stem: 667#$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); 643#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; 644#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 665#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 659#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; 660#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 645#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 646#L47-3 [2022-12-13 21:42:55,550 INFO L750 eck$LassoCheckResult]: Loop: 646#L47-3 assume !false; 662#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * base2flt_~m#1; 656#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 646#L47-3 [2022-12-13 21:42:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335815, now seen corresponding path program 1 times [2022-12-13 21:42:55,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:55,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875387317] [2022-12-13 21:42:55,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:55,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:55,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,579 INFO L85 PathProgramCache]: Analyzing trace with hash 134251, now seen corresponding path program 1 times [2022-12-13 21:42:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:55,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 21:42:55,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036769533] [2022-12-13 21:42:55,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:55,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,590 INFO L85 PathProgramCache]: Analyzing trace with hash 631346469, now seen corresponding path program 1 times [2022-12-13 21:42:55,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:55,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954471104] [2022-12-13 21:42:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:55,642 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:55,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:55,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:55,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:55,642 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:42:55,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:55,643 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:55,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2022-12-13 21:42:55,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:55,643 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:55,644 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 21:42:55,649 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 21:42:55,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:55,695 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:42:55,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,696 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 21:42:55,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:55,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:55,718 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 21:42:55,718 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 21:42:55,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 21:42:55,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 21:42:55,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:55,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:55,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 21:42:55,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,740 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 21:42:55,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:42:55,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:55,762 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:42:55,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 21:42:55,765 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:55,765 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:55,765 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:55,765 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:55,765 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:42:55,765 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,765 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:55,765 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:55,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2022-12-13 21:42:55,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:55,765 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:55,766 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 21:42:55,771 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 21:42:55,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:55,816 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:42:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,817 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 21:42:55,819 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 21:42:55,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:55,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:55,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:55,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:55,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:55,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:55,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:55,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 21:42:55,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 21:42:55,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,838 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 21:42:55,840 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 21:42:55,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:55,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:55,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:55,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:55,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:55,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:55,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:55,853 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:42:55,855 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:42:55,856 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 21:42:55,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:55,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:55,857 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:55,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 21:42:55,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:42:55,859 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:42:55,859 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:42:55,859 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 21:42:55,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 21:42:55,862 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:42:55,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:55,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:42:55,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:55,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:42:55,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:55,921 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 21:42:55,922 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 21:42:55,922 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 21:42:55,941 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 21:42:55,941 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 21:42:55,942 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 21:42:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-13 21:42:55,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 21:42:55,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:55,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 21:42:55,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:55,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 7 letters. Loop has 6 letters. [2022-12-13 21:42:55,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:55,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 79 transitions. [2022-12-13 21:42:55,944 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2022-12-13 21:42:55,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 66 transitions. [2022-12-13 21:42:55,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-12-13 21:42:55,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-12-13 21:42:55,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 66 transitions. [2022-12-13 21:42:55,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:42:55,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 66 transitions. [2022-12-13 21:42:55,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 66 transitions. [2022-12-13 21:42:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-12-13 21:42:55,946 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 21:42:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-12-13 21:42:55,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 21:42:55,946 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 21:42:55,946 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 21:42:55,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-12-13 21:42:55,946 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-12-13 21:42:55,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:42:55,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:42:55,947 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:42:55,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:42:55,947 INFO L748 eck$LassoCheckResult]: Stem: 806#$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); 779#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; 780#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 804#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 797#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; 798#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 781#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 783#L57-5 [2022-12-13 21:42:55,947 INFO L750 eck$LassoCheckResult]: Loop: 783#L57-5 assume !false; 784#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 785#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 783#L57-5 [2022-12-13 21:42:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1807335841, now seen corresponding path program 1 times [2022-12-13 21:42:55,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:55,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045125374] [2022-12-13 21:42:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash 160010, now seen corresponding path program 1 times [2022-12-13 21:42:55,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:55,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217335088] [2022-12-13 21:42:55,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:55,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:55,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:55,971 INFO L85 PathProgramCache]: Analyzing trace with hash 632146794, now seen corresponding path program 1 times [2022-12-13 21:42:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:55,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616063441] [2022-12-13 21:42:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:55,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:55,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,010 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:56,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:56,010 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:56,010 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:56,010 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:42:56,010 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:56,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:56,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2022-12-13 21:42:56,011 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:56,011 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:56,011 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 21:42:56,015 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 21:42:56,083 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:56,083 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:42:56,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,084 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 21:42:56,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:56,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 21:42:56,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,101 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 21:42:56,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:42:56,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,124 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:42:56,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 21:42:56,127 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:56,127 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:56,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:56,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:56,128 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:42:56,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:56,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:56,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2022-12-13 21:42:56,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:56,128 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:56,129 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 21:42:56,133 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 21:42:56,186 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:56,186 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:42:56,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,187 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 21:42:56,189 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 21:42:56,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:56,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:56,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:56,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:56,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:56,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:56,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:56,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:42:56,205 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:42:56,205 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 21:42:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,206 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 21:42:56,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:42:56,208 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:42:56,208 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:42:56,208 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 21:42:56,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 21:42:56,211 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:42:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:56,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:42:56,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:56,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:42:56,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:56,241 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 21:42:56,242 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 21:42:56,242 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 21:42:56,260 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 21:42:56,260 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 21:42:56,261 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 21:42:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-13 21:42:56,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 21:42:56,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 21:42:56,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 6 letters. [2022-12-13 21:42:56,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2022-12-13 21:42:56,263 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-12-13 21:42:56,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 69 transitions. [2022-12-13 21:42:56,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-12-13 21:42:56,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2022-12-13 21:42:56,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 69 transitions. [2022-12-13 21:42:56,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:42:56,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 69 transitions. [2022-12-13 21:42:56,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 69 transitions. [2022-12-13 21:42:56,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2022-12-13 21:42:56,266 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 21:42:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2022-12-13 21:42:56,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-12-13 21:42:56,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-12-13 21:42:56,266 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 21:42:56,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2022-12-13 21:42:56,267 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 21:42:56,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:42:56,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:42:56,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:42:56,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:42:56,268 INFO L748 eck$LassoCheckResult]: Stem: 949#$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); 919#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; 920#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 947#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 940#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; 941#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 916#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 917#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; 918#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 932#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 933#L57-8 [2022-12-13 21:42:56,268 INFO L750 eck$LassoCheckResult]: Loop: 933#L57-8 assume !false; 930#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 931#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 933#L57-8 [2022-12-13 21:42:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,268 INFO L85 PathProgramCache]: Analyzing trace with hash 631832054, now seen corresponding path program 1 times [2022-12-13 21:42:56,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:56,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000960075] [2022-12-13 21:42:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,289 INFO L85 PathProgramCache]: Analyzing trace with hash 245408, now seen corresponding path program 1 times [2022-12-13 21:42:56,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:56,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005582607] [2022-12-13 21:42:56,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1932722037, now seen corresponding path program 1 times [2022-12-13 21:42:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:56,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589435949] [2022-12-13 21:42:56,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:56,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,348 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:56,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:56,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:56,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:56,349 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:42:56,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:56,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:56,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2022-12-13 21:42:56,349 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:56,349 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:56,350 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 21:42:56,356 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 21:42:56,418 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:56,418 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:42:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,419 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 21:42:56,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:56,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,442 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 21:42:56,442 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 21:42:56,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 21:42:56,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,446 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 21:42:56,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:56,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 21:42:56,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,463 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 21:42:56,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:42:56,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,486 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:42:56,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 21:42:56,489 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:56,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:56,489 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:56,489 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:56,489 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:42:56,489 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,489 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:56,489 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:56,489 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2022-12-13 21:42:56,489 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:56,489 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:56,490 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 21:42:56,495 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 21:42:56,555 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:56,556 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:42:56,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,557 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 21:42:56,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 21:42:56,568 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 21:42:56,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 21:42:56,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:56,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:56,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:56,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:56,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:56,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:56,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:56,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 21:42:56,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 21:42:56,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,590 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 21:42:56,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 21:42:56,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:56,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:56,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:56,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:56,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:56,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:56,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:56,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:42:56,608 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:42:56,608 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 21:42:56,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,609 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 21:42:56,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:42:56,611 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:42:56,611 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:42:56,611 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 21:42:56,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 21:42:56,614 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:42:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:56,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:42:56,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:56,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:42:56,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:56,653 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 21:42:56,654 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 21:42:56,654 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 21:42:56,658 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 21:42:56,659 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 21:42:56,659 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 21:42:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-12-13 21:42:56,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 21:42:56,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 13 letters. Loop has 3 letters. [2022-12-13 21:42:56,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 6 letters. [2022-12-13 21:42:56,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2022-12-13 21:42:56,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 21:42:56,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 32 states and 44 transitions. [2022-12-13 21:42:56,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-12-13 21:42:56,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-12-13 21:42:56,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2022-12-13 21:42:56,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 21:42:56,662 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 21:42:56,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2022-12-13 21:42:56,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-13 21:42:56,664 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 21:42:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-12-13 21:42:56,664 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 21:42:56,664 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-12-13 21:42:56,664 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 21:42:56,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-12-13 21:42:56,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 21:42:56,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:42:56,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:42:56,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:42:56,665 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:42:56,665 INFO L748 eck$LassoCheckResult]: Stem: 1076#$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); 1049#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; 1050#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1074#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1067#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#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1046#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1047#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; 1048#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1060#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1061#L47-5 [2022-12-13 21:42:56,666 INFO L750 eck$LassoCheckResult]: Loop: 1061#L47-5 assume !false; 1069#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * base2flt_~m#1; 1075#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1061#L47-5 [2022-12-13 21:42:56,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,666 INFO L85 PathProgramCache]: Analyzing trace with hash 631832028, now seen corresponding path program 1 times [2022-12-13 21:42:56,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:56,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122253417] [2022-12-13 21:42:56,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:56,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,679 INFO L85 PathProgramCache]: Analyzing trace with hash 219649, now seen corresponding path program 1 times [2022-12-13 21:42:56,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:56,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024900121] [2022-12-13 21:42:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1933522362, now seen corresponding path program 1 times [2022-12-13 21:42:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:42:56,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606356931] [2022-12-13 21:42:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:42:56,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:42:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:42:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:42:56,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:42:56,719 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:56,719 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:56,719 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:56,719 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:56,719 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 21:42:56,719 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:56,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:56,720 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2022-12-13 21:42:56,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:56,720 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:56,720 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 21:42:56,725 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 21:42:56,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:56,770 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 21:42:56,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,771 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 21:42:56,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 21:42:56,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 21:42:56,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,789 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 21:42:56,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 21:42:56,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 21:42:56,811 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 21:42:56,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 21:42:56,814 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 21:42:56,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 21:42:56,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 21:42:56,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 21:42:56,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 21:42:56,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 21:42:56,814 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 21:42:56,814 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2022-12-13 21:42:56,814 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 21:42:56,814 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 21:42:56,815 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 21:42:56,819 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 21:42:56,863 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 21:42:56,863 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 21:42:56,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,864 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 21:42:56,866 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 21:42:56,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 21:42:56,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 21:42:56,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 21:42:56,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 21:42:56,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 21:42:56,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 21:42:56,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 21:42:56,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 21:42:56,883 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 21:42:56,883 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 21:42:56,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:42:56,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:42:56,884 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:42:56,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 21:42:56,886 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 21:42:56,887 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 21:42:56,887 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 21:42:56,887 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 21:42:56,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 21:42:56,891 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 21:42:56,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:42:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:56,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:42:56,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:42:56,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:42:56,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:42:56,941 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 21:42:56,941 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 21:42:56,941 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 21:42:56,946 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 21:42:56,947 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 21:42:56,947 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 21:42:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2022-12-13 21:42:56,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 21:42:56,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2022-12-13 21:42:56,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 10 letters. Loop has 6 letters. [2022-12-13 21:42:56,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 21:42:56,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2022-12-13 21:42:56,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 21:42:56,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2022-12-13 21:42:56,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 21:42:56,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 21:42:56,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 21:42:56,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:42:56,950 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:42:56,950 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:42:56,950 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:42:56,950 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 21:42:56,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:42:56,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 21:42:56,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 21:42:56,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:42:56 BoogieIcfgContainer [2022-12-13 21:42:56,957 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:42:56,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:42:56,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:42:56,958 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:42:56,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:42:54" (3/4) ... [2022-12-13 21:42:56,961 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:42:56,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:42:56,962 INFO L158 Benchmark]: Toolchain (without parser) took 3161.03ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 91.0MB in the beginning and 96.3MB in the end (delta: -5.3MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-12-13 21:42:56,962 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 87.5MB in the beginning and 87.5MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:42:56,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.64ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 77.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:42:56,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.90ms. Allocated memory is still 123.7MB. Free memory was 76.8MB in the beginning and 73.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:42:56,963 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 123.7MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:42:56,963 INFO L158 Benchmark]: RCFGBuilder took 530.15ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 71.7MB in the beginning and 142.7MB in the end (delta: -70.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-12-13 21:42:56,963 INFO L158 Benchmark]: BuchiAutomizer took 2354.73ms. Allocated memory is still 174.1MB. Free memory was 142.7MB in the beginning and 96.3MB in the end (delta: 46.3MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-12-13 21:42:56,964 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 174.1MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:42:56,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 87.5MB in the beginning and 87.5MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.64ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 77.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.90ms. Allocated memory is still 123.7MB. Free memory was 76.8MB in the beginning and 73.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 123.7MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.15ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 71.7MB in the beginning and 142.7MB in the end (delta: -70.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2354.73ms. Allocated memory is still 174.1MB. Free memory was 142.7MB in the beginning and 96.3MB in the end (delta: 46.3MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 174.1MB. Free memory is still 96.3MB. 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 1.7s. 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, 374 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 369 mSDsluCounter, 442 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, 399 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: 22ms 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 21:42:56,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 21:42:57,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 21:42:57,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31668dc6-c038-4f37-91ed-c92230beb756/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE