./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/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_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/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 64bit --witnessprinter.graph.data.programhash 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- 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 11:55:07,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:55:07,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:55:07,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:55:07,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:55:07,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:55:07,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:55:07,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:55:07,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:55:07,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:55:07,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:55:07,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:55:07,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:55:07,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:55:07,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:55:07,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:55:07,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:55:07,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:55:07,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:55:07,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:55:07,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:55:07,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:55:07,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:55:07,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:55:07,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:55:07,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:55:07,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:55:07,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:55:07,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:55:07,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:55:07,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:55:07,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:55:07,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:55:07,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:55:07,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:55:07,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:55:07,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:55:07,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:55:07,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:55:07,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:55:07,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:55:07,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 11:55:07,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:55:07,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:55:07,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:55:07,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:55:07,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:55:07,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:55:07,275 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:55:07,276 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:55:07,276 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:55:07,276 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:55:07,276 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:55:07,276 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:55:07,276 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:55:07,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:55:07,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:55:07,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:55:07,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:55:07,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:55:07,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:55:07,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:55:07,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:55:07,278 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:55:07,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:55:07,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:55:07,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:55:07,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:55:07,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:55:07,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:55:07,280 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:55:07,280 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_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2022-12-13 11:55:07,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:55:07,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:55:07,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:55:07,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:55:07,478 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:55:07,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2022-12-13 11:55:10,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:55:10,157 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:55:10,157 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2022-12-13 11:55:10,161 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/data/036548ae8/ddb41819659c48239002ebc36d234af5/FLAGb74515772 [2022-12-13 11:55:10,172 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/data/036548ae8/ddb41819659c48239002ebc36d234af5 [2022-12-13 11:55:10,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:55:10,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:55:10,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:55:10,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:55:10,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:55:10,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7722eb26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10, skipping insertion in model container [2022-12-13 11:55:10,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:55:10,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:55:10,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:55:10,294 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:55:10,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:55:10,312 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:55:10,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10 WrapperNode [2022-12-13 11:55:10,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:55:10,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:55:10,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:55:10,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:55:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,333 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-12-13 11:55:10,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:55:10,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:55:10,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:55:10,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:55:10,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:55:10,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:55:10,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:55:10,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:55:10,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (1/1) ... [2022-12-13 11:55:10,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:10,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:10,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:10,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:55:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:55:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:55:10,475 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:55:10,476 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:55:10,517 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:55:10,521 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:55:10,522 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:55:10,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:55:10 BoogieIcfgContainer [2022-12-13 11:55:10,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:55:10,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:55:10,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:55:10,526 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:55:10,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:55:10,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:55:10" (1/3) ... [2022-12-13 11:55:10,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bcd4f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:55:10, skipping insertion in model container [2022-12-13 11:55:10,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:55:10,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:55:10" (2/3) ... [2022-12-13 11:55:10,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bcd4f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:55:10, skipping insertion in model container [2022-12-13 11:55:10,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:55:10,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:55:10" (3/3) ... [2022-12-13 11:55:10,529 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2022-12-13 11:55:10,572 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:55:10,572 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:55:10,572 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:55:10,572 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:55:10,572 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:55:10,572 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:55:10,573 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:55:10,573 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:55:10,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 11:55:10,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:10,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:10,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:10,594 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 11:55:10,594 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 11:55:10,595 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:55:10,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 11:55:10,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:10,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:10,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:10,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 11:55:10,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 11:55:10,604 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L17true assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 7#L21-2true [2022-12-13 11:55:10,605 INFO L750 eck$LassoCheckResult]: Loop: 7#L21-2true assume !!(main_~i~0#1 < main_~n~0#1); 5#L21true assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 7#L21-2true [2022-12-13 11:55:10,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:10,610 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-12-13 11:55:10,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:10,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238437636] [2022-12-13 11:55:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:10,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:10,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:10,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 1 times [2022-12-13 11:55:10,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:10,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988629185] [2022-12-13 11:55:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:10,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:10,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:10,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:10,735 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2022-12-13 11:55:10,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:10,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107877215] [2022-12-13 11:55:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:10,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:10,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:10,808 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:10,809 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:10,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:10,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:10,809 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:55:10,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:10,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:10,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:10,810 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration1_Loop [2022-12-13 11:55:10,810 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:10,810 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:10,829 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 11:55:10,839 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 11:55:10,842 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 11:55:10,845 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 11:55:10,898 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:10,898 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:55:10,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:10,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:10,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 11:55:10,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:10,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:10,929 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:10,929 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:10,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:10,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:10,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:10,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:10,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 11:55:10,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:10,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:10,955 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:10,956 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:10,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 11:55:10,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:10,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:10,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:10,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 11:55:10,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:10,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:10,981 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:10,981 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:10,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 11:55:10,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:10,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:10,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:10,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 11:55:10,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:10,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 11:55:11,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 11:55:11,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:55:11,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,150 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:55:11,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 11:55:11,153 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:11,154 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:11,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:11,154 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:11,154 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:55:11,154 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,154 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:11,154 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:11,154 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration1_Loop [2022-12-13 11:55:11,154 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:11,154 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:11,156 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 11:55:11,159 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 11:55:11,163 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 11:55:11,166 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 11:55:11,201 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:11,205 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:55:11,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,208 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 11:55:11,210 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 11:55:11,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:55:11,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:55:11,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:11,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 11:55:11,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 11:55:11,239 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 11:55:11,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:55:11,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:55:11,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:11,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 11:55:11,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,263 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 11:55:11,265 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 11:55:11,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:11,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:11,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:11,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:11,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 11:55:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,283 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 11:55:11,285 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 11:55:11,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:11,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:11,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:11,299 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:55:11,304 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 11:55:11,304 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 11:55:11,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,351 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 11:55:11,357 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:55:11,357 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:55:11,358 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:55:11,359 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2022-12-13 11:55:11,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:11,379 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:55:11,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:11,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:55:11,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:11,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:55:11,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:11,460 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 11:55:11,493 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 11:55:11,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 11:55:11,521 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 29 states and 36 transitions. Complement of second has 6 states. [2022-12-13 11:55:11,523 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 11:55:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 11:55:11,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-12-13 11:55:11,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2022-12-13 11:55:11,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:11,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 11:55:11,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:11,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 3 letters. Loop has 4 letters. [2022-12-13 11:55:11,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:11,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-12-13 11:55:11,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:11,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 9 states and 12 transitions. [2022-12-13 11:55:11,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-12-13 11:55:11,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-12-13 11:55:11,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-12-13 11:55:11,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:55:11,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 11:55:11,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-12-13 11:55:11,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 11:55:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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 11:55:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-12-13 11:55:11,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 11:55:11,553 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 11:55:11,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:55:11,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-12-13 11:55:11,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:11,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:11,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:11,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 11:55:11,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 11:55:11,555 INFO L748 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 83#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 76#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 77#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 78#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 79#L21-2 [2022-12-13 11:55:11,555 INFO L750 eck$LassoCheckResult]: Loop: 79#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 84#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 79#L21-2 [2022-12-13 11:55:11,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:11,555 INFO L85 PathProgramCache]: Analyzing trace with hash 28693991, now seen corresponding path program 1 times [2022-12-13 11:55:11,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:11,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683814407] [2022-12-13 11:55:11,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:11,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:11,590 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 11:55:11,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:55:11,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683814407] [2022-12-13 11:55:11,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683814407] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:55:11,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:55:11,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:55:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921666833] [2022-12-13 11:55:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:55:11,594 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:55:11,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:11,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 2 times [2022-12-13 11:55:11,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:11,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53918359] [2022-12-13 11:55:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:11,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:11,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:11,615 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:11,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:11,615 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:11,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:11,616 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:55:11,616 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,616 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:11,616 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:11,616 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration2_Loop [2022-12-13 11:55:11,616 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:11,616 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:11,617 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 11:55:11,620 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 11:55:11,622 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 11:55:11,624 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 11:55:11,651 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:11,651 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:55:11,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,653 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 11:55:11,655 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:11,655 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,672 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:11,672 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:11,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 11:55:11,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 11:55:11,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:11,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,696 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:11,696 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:11,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 11:55:11,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,700 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 11:55:11,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:11,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:11,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:11,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 11:55:11,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,723 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 11:55:11,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:11,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 11:55:11,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,741 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 11:55:11,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:55:11,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:11,885 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:55:11,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 11:55:11,889 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:11,889 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:11,889 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:11,889 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:11,889 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:55:11,889 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,889 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:11,889 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:11,889 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration2_Loop [2022-12-13 11:55:11,889 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:11,889 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:11,891 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 11:55:11,893 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 11:55:11,895 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 11:55:11,897 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 11:55:11,923 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:11,923 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:55:11,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,924 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 11:55:11,926 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 11:55:11,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:55:11,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:55:11,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:11,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,947 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 11:55:11,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 11:55:11,956 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 11:55:11,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:55:11,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:55:11,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:11,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 11:55:11,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:11,980 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:11,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 11:55:11,983 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 11:55:11,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:11,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:11,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:11,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:11,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:11,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:11,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:11,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:11,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 11:55:11,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:11,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,000 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 11:55:12,002 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 11:55:12,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:12,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:12,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:12,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:12,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:12,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:12,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:12,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:55:12,022 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 11:55:12,022 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 11:55:12,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,023 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 11:55:12,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:55:12,025 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:55:12,026 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:55:12,026 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~m~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~m~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-12-13 11:55:12,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:12,030 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:55:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,051 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,053 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 11:55:12,054 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 11:55:12,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 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 11:55:12,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. 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 13 states and 18 transitions. Complement of second has 5 states. [2022-12-13 11:55:12,062 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 11:55:12,063 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 11:55:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 11:55:12,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 11:55:12,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 11:55:12,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 11:55:12,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-12-13 11:55:12,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:12,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-12-13 11:55:12,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 11:55:12,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 11:55:12,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-12-13 11:55:12,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:55:12,066 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 11:55:12,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-12-13 11:55:12,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 11:55:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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 11:55:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-12-13 11:55:12,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 11:55:12,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:55:12,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:55:12,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:55:12,071 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 11:55:12,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:55:12,080 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-12-13 11:55:12,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-12-13 11:55:12,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:12,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 18 transitions. [2022-12-13 11:55:12,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 11:55:12,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 11:55:12,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2022-12-13 11:55:12,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:55:12,082 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-12-13 11:55:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2022-12-13 11:55:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-13 11:55:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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 11:55:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-12-13 11:55:12,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-13 11:55:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:55:12,084 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-13 11:55:12,084 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 11:55:12,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-12-13 11:55:12,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 11:55:12,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:12,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:12,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1] [2022-12-13 11:55:12,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 11:55:12,085 INFO L748 eck$LassoCheckResult]: Stem: 171#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 165#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 166#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 173#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 177#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 176#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 174#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 167#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 168#L21-2 [2022-12-13 11:55:12,085 INFO L750 eck$LassoCheckResult]: Loop: 168#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 175#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 168#L21-2 [2022-12-13 11:55:12,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,086 INFO L85 PathProgramCache]: Analyzing trace with hash -446365265, now seen corresponding path program 1 times [2022-12-13 11:55:12,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:12,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946557864] [2022-12-13 11:55:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 11:55:12,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:55:12,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946557864] [2022-12-13 11:55:12,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946557864] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:55:12,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972440278] [2022-12-13 11:55:12,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:12,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:55:12,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,123 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-12-13 11:55:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 11:55:12,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:55:12,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972440278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:55:12,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:55:12,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-13 11:55:12,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759643253] [2022-12-13 11:55:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:55:12,175 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:55:12,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 3 times [2022-12-13 11:55:12,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:12,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206255079] [2022-12-13 11:55:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:12,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:12,200 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:12,200 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:12,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:12,200 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:12,200 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:55:12,200 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,200 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:12,200 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:12,200 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration3_Loop [2022-12-13 11:55:12,200 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:12,200 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:12,201 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 11:55:12,206 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 11:55:12,209 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 11:55:12,211 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 11:55:12,238 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:12,238 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:55:12,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,239 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 11:55:12,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:12,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:12,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,257 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 11:55:12,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:55:12,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,399 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:55:12,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:12,402 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:12,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:12,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:12,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:12,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:55:12,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:12,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:12,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration3_Loop [2022-12-13 11:55:12,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:12,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:12,404 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 11:55:12,409 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 11:55:12,411 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 11:55:12,413 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 11:55:12,436 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:12,436 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:55:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,437 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 11:55:12,439 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 11:55:12,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:12,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:12,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:12,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:12,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:12,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:12,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:12,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:55:12,455 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 11:55:12,455 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 11:55:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,456 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 11:55:12,458 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:55:12,458 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:55:12,458 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:55:12,458 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2022-12-13 11:55:12,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:12,461 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:55:12,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,487 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,490 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 11:55:12,490 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 11:55:12,490 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:55:12,498 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 15 states and 21 transitions. Complement of second has 5 states. [2022-12-13 11:55:12,498 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 11:55:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:55:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 11:55:12,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 11:55:12,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,500 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 11:55:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,526 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,528 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 11:55:12,529 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 11:55:12,529 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:55:12,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 15 states and 21 transitions. Complement of second has 5 states. [2022-12-13 11:55:12,536 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 11:55:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:55:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 11:55:12,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 11:55:12,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,538 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 11:55:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:12,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:55:12,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:12,565 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 11:55:12,566 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 11:55:12,566 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:55:12,573 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 17 states and 24 transitions. Complement of second has 4 states. [2022-12-13 11:55:12,573 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 11:55:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:55:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-12-13 11:55:12,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 11:55:12,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 2 letters. [2022-12-13 11:55:12,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2022-12-13 11:55:12,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:12,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2022-12-13 11:55:12,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 11:55:12,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 20 transitions. [2022-12-13 11:55:12,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-12-13 11:55:12,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 11:55:12,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-12-13 11:55:12,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:55:12,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-12-13 11:55:12,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-12-13 11:55:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 8. [2022-12-13 11:55:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 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 11:55:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-12-13 11:55:12,578 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 11:55:12,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:55:12,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:55:12,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:55:12,579 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 11:55:12,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:55:12,586 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2022-12-13 11:55:12,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2022-12-13 11:55:12,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 11:55:12,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions. [2022-12-13 11:55:12,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-12-13 11:55:12,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-12-13 11:55:12,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-12-13 11:55:12,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:55:12,587 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-12-13 11:55:12,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-12-13 11:55:12,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2022-12-13 11:55:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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 11:55:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-12-13 11:55:12,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-12-13 11:55:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:55:12,589 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-12-13 11:55:12,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 11:55:12,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-12-13 11:55:12,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 11:55:12,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:55:12,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:55:12,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 11:55:12,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-12-13 11:55:12,590 INFO L748 eck$LassoCheckResult]: Stem: 398#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 393#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 394#L21-2 [2022-12-13 11:55:12,590 INFO L750 eck$LassoCheckResult]: Loop: 394#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 396#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 397#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 395#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 394#L21-2 [2022-12-13 11:55:12,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,591 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2022-12-13 11:55:12,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:12,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938840432] [2022-12-13 11:55:12,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:12,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:12,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1357385, now seen corresponding path program 1 times [2022-12-13 11:55:12,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:12,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496923389] [2022-12-13 11:55:12,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:12,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:12,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:12,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1805120106, now seen corresponding path program 2 times [2022-12-13 11:55:12,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:55:12,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549190173] [2022-12-13 11:55:12,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:55:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:55:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:55:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:55:12,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:55:12,653 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:12,653 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:12,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:12,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:12,654 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:55:12,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:12,654 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:12,654 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration4_Loop [2022-12-13 11:55:12,654 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:12,654 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:12,655 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 11:55:12,657 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 11:55:12,663 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 11:55:12,665 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 11:55:12,698 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:12,698 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:55:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,699 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 11:55:12,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:12,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,718 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:12,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:12,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 11:55:12,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,722 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 11:55:12,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:12,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,742 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:12,742 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=1} Honda state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:12,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 11:55:12,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,745 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 11:55:12,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:12,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,764 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:55:12,764 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:55:12,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 11:55:12,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,768 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 11:55:12,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:55:12,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 11:55:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,785 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 11:55:12,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:55:12,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:55:12,907 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:55:12,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 11:55:12,910 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:55:12,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:55:12,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:55:12,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:55:12,910 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:55:12,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:55:12,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:55:12,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration4_Loop [2022-12-13 11:55:12,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:55:12,910 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:55:12,911 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 11:55:12,917 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 11:55:12,918 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 11:55:12,920 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 11:55:12,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:55:12,947 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:55:12,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,948 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 11:55:12,950 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 11:55:12,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:12,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:12,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:12,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:12,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:12,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:12,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:12,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:12,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:12,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,966 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 11:55:12,968 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 11:55:12,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:12,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:12,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:12,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:12,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:55:12,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:55:12,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:12,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:12,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:12,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:12,986 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:12,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 11:55:12,990 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 11:55:12,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 11:55:12,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:13,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:13,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:13,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:13,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:13,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:55:13,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:55:13,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:55:13,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 11:55:13,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:13,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:13,008 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:13,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 11:55:13,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:55:13,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:55:13,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:55:13,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:55:13,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:55:13,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:55:13,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:55:13,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:55:13,022 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:55:13,025 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 11:55:13,025 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 11:55:13,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:55:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:55:13,026 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:55:13,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 11:55:13,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:55:13,028 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:55:13,028 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:55:13,028 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2022-12-13 11:55:13,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:13,031 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:55:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:55:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:13,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:55:13,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:55:13,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:55:13,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:55:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:55:13,067 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 11:55:13,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 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 11:55:13,074 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. 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 12 states and 15 transitions. Complement of second has 4 states. [2022-12-13 11:55:13,074 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 11:55:13,075 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 11:55:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-12-13 11:55:13,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2022-12-13 11:55:13,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:13,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2022-12-13 11:55:13,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:13,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2022-12-13 11:55:13,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:55:13,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2022-12-13 11:55:13,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 11:55:13,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-12-13 11:55:13,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 11:55:13,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 11:55:13,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 11:55:13,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:55:13,077 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:55:13,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:55:13,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:55:13,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 11:55:13,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:55:13,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 11:55:13,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 11:55:13,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:55:13 BoogieIcfgContainer [2022-12-13 11:55:13,082 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:55:13,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:55:13,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:55:13,083 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:55:13,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:55:10" (3/4) ... [2022-12-13 11:55:13,085 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:55:13,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:55:13,085 INFO L158 Benchmark]: Toolchain (without parser) took 2910.75ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 78.2MB in the beginning and 108.1MB in the end (delta: -29.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-12-13 11:55:13,086 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:55:13,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.03ms. Allocated memory is still 115.3MB. Free memory was 78.2MB in the beginning and 69.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 11:55:13,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.22ms. Allocated memory is still 115.3MB. Free memory was 69.1MB in the beginning and 67.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:55:13,086 INFO L158 Benchmark]: Boogie Preprocessor took 12.69ms. Allocated memory is still 115.3MB. Free memory was 67.7MB in the beginning and 66.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:55:13,086 INFO L158 Benchmark]: RCFGBuilder took 176.03ms. Allocated memory is still 115.3MB. Free memory was 66.7MB in the beginning and 58.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 11:55:13,086 INFO L158 Benchmark]: BuchiAutomizer took 2558.79ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 58.2MB in the beginning and 108.1MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:55:13,087 INFO L158 Benchmark]: Witness Printer took 2.44ms. Allocated memory is still 151.0MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:55:13,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.03ms. Allocated memory is still 115.3MB. Free memory was 78.2MB in the beginning and 69.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.22ms. Allocated memory is still 115.3MB. Free memory was 69.1MB in the beginning and 67.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.69ms. Allocated memory is still 115.3MB. Free memory was 67.7MB in the beginning and 66.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 176.03ms. Allocated memory is still 115.3MB. Free memory was 66.7MB in the beginning and 58.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2558.79ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 58.2MB in the beginning and 108.1MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.44ms. Allocated memory is still 151.0MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * j + m and consists of 4 locations. One deterministic module has affine ranking function -1 * j + m and consists of 3 locations. One deterministic module has affine ranking function -1 * i + n and consists of 3 locations. One nondeterministic module has affine ranking function -1 * j + m and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 53 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax182 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf112 neg98 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s 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 11:55:13,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 11:55:13,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-12-13 11:55:13,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a5b8ab-8902-4bf1-9e8a-5ba9aef8b6d1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE