./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 --- 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-b5237d8 [2022-11-21 16:24:54,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:24:54,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:24:54,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:24:54,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:24:54,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:24:54,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:24:54,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:24:54,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:24:54,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:24:54,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:24:54,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:24:54,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:24:54,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:24:54,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:24:54,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:24:54,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:24:54,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:24:54,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:24:54,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:24:54,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:24:54,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:24:54,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:24:54,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:24:54,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:24:54,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:24:54,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:24:54,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:24:54,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:24:54,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:24:54,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:24:54,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:24:54,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:24:54,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:24:54,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:24:54,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:24:54,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:24:54,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:24:54,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:24:54,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:24:54,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:24:54,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:24:54,288 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:24:54,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:24:54,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:24:54,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:24:54,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:24:54,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:24:54,291 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:24:54,291 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:24:54,291 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:24:54,291 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:24:54,292 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:24:54,293 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:24:54,293 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:24:54,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:24:54,293 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:24:54,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:24:54,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:24:54,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:24:54,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:24:54,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:24:54,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:24:54,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:24:54,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:24:54,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:24:54,295 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:24:54,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:24:54,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:24:54,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:24:54,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:24:54,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:24:54,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:24:54,298 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:24:54,298 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_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 [2022-11-21 16:24:54,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:24:54,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:24:54,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:24:54,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:24:54,583 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:24:54,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2022-11-21 16:24:57,630 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:24:57,879 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:24:57,879 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2022-11-21 16:24:57,892 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/data/c72eb930f/7bd65946013e451184ff82d792e07c87/FLAG6bb89b83d [2022-11-21 16:24:57,906 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/data/c72eb930f/7bd65946013e451184ff82d792e07c87 [2022-11-21 16:24:57,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:24:57,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:24:57,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:24:57,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:24:57,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:24:57,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:24:57" (1/1) ... [2022-11-21 16:24:57,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4e349e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:57, skipping insertion in model container [2022-11-21 16:24:57,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:24:57" (1/1) ... [2022-11-21 16:24:57,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:24:57,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:24:58,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:24:58,406 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:24:58,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:24:58,481 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:24:58,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58 WrapperNode [2022-11-21 16:24:58,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:24:58,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:24:58,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:24:58,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:24:58,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,543 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-11-21 16:24:58,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:24:58,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:24:58,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:24:58,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:24:58,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:24:58,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:24:58,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:24:58,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:24:58,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (1/1) ... [2022-11-21 16:24:58,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:24:58,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:24:58,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:24:58,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:24:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:24:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:24:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:24:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:24:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:24:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:24:58,787 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:24:58,788 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:24:58,951 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:24:58,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:24:58,957 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:24:58,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:58 BoogieIcfgContainer [2022-11-21 16:24:58,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:24:58,960 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:24:58,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:24:58,964 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:24:58,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:24:58,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:24:57" (1/3) ... [2022-11-21 16:24:58,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2be36802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:24:58, skipping insertion in model container [2022-11-21 16:24:58,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:24:58,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:58" (2/3) ... [2022-11-21 16:24:58,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2be36802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:24:58, skipping insertion in model container [2022-11-21 16:24:58,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:24:58,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:58" (3/3) ... [2022-11-21 16:24:58,985 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2022-11-21 16:24:59,081 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:24:59,081 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:24:59,081 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:24:59,081 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:24:59,081 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:24:59,081 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:24:59,082 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:24:59,082 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:24:59,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2022-11-21 16:24:59,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-21 16:24:59,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:24:59,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:24:59,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 16:24:59,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:24:59,122 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:24:59,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2022-11-21 16:24:59,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-21 16:24:59,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:24:59,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:24:59,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 16:24:59,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:24:59,133 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 2#L525true assume !(main_~length1~0#1 < 1); 10#L525-2true assume !(main_~length2~0#1 < 1); 15#L528-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 4#L535-3true [2022-11-21 16:24:59,133 INFO L750 eck$LassoCheckResult]: Loop: 4#L535-3true assume !!(main_~i~0#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 6#L535-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4#L535-3true [2022-11-21 16:24:59,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:24:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2022-11-21 16:24:59,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:24:59,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693381776] [2022-11-21 16:24:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:24:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:59,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:24:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:59,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:24:59,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:24:59,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2022-11-21 16:24:59,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:24:59,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009860101] [2022-11-21 16:24:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:59,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:24:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:59,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:24:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:59,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:24:59,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:24:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2022-11-21 16:24:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:24:59,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249925445] [2022-11-21 16:24:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:59,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:24:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:59,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:24:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:59,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:24:59,901 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:24:59,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:24:59,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:24:59,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:24:59,902 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:24:59,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:24:59,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:24:59,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:24:59,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2022-11-21 16:24:59,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:24:59,903 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:24:59,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:24:59,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:24:59,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:00,732 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:25:00,739 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:25:00,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:00,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:00,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:00,754 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 [2022-11-21 16:25:00,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:25:00,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:00,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:00,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:00,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:00,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:00,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:00,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:00,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:00,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-21 16:25:00,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:00,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:00,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:00,850 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 [2022-11-21 16:25:00,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:25:00,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:00,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:00,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:00,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:00,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:00,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:00,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:00,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:00,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:00,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:00,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:00,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:00,895 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 [2022-11-21 16:25:00,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:00,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:00,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:00,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:00,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:00,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:00,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:25:00,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:00,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:00,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:00,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:00,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:00,938 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 [2022-11-21 16:25:00,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:25:00,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:00,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:00,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:00,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:00,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:00,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:00,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:25:01,023 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-21 16:25:01,023 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-21 16:25:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:01,057 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:01,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:25:01,060 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:25:01,093 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-21 16:25:01,093 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:25:01,094 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 4294967295*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 + 4294967295*ULTIMATE.start_main_~length1~0#1 + 1*ULTIMATE.start_main_~nondetString~0#1.offset >= 0] [2022-11-21 16:25:01,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-21 16:25:01,143 INFO L156 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2022-11-21 16:25:01,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:01,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 16:25:01,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:25:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:01,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:25:01,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:25:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:01,387 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-21 16:25:01,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2022-11-21 16:25:01,498 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 33 states and 44 transitions. Complement of second has 9 states. [2022-11-21 16:25:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 16:25:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2022-11-21 16:25:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2022-11-21 16:25:01,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-21 16:25:01,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:25:01,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 16:25:01,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:25:01,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-21 16:25:01,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:25:01,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2022-11-21 16:25:01,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:25:01,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 11 states and 15 transitions. [2022-11-21 16:25:01,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-21 16:25:01,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-21 16:25:01,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2022-11-21 16:25:01,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:01,530 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2022-11-21 16:25:01,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2022-11-21 16:25:01,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-21 16:25:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-11-21 16:25:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2022-11-21 16:25:01,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2022-11-21 16:25:01,558 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2022-11-21 16:25:01,559 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:25:01,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2022-11-21 16:25:01,561 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:25:01,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:25:01,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:25:01,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:01,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:25:01,563 INFO L748 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 139#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 132#L525 assume !(main_~length1~0#1 < 1); 133#L525-2 assume !(main_~length2~0#1 < 1); 142#L528-1 assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 134#L535-3 assume !(main_~i~0#1 < main_~length2~0#1 - 1); 135#L535-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset; 140#L518-3 [2022-11-21 16:25:01,563 INFO L750 eck$LassoCheckResult]: Loop: 140#L518-3 cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post2#1.base, 1 + cstrcpy_#t~post2#1.offset;cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post3#1.base, 1 + cstrcpy_#t~post3#1.offset;call cstrcpy_#t~mem4#1 := read~int(cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, 1); 141#L518-1 assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset;havoc cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset;havoc cstrcpy_#t~mem4#1; 140#L518-3 [2022-11-21 16:25:01,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:01,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2022-11-21 16:25:01,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:01,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761832320] [2022-11-21 16:25:01,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:01,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:01,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:25:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:01,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:25:01,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:01,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2022-11-21 16:25:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:01,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368184337] [2022-11-21 16:25:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:01,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:01,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:25:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:01,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:25:01,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2022-11-21 16:25:01,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:01,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190429593] [2022-11-21 16:25:01,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:01,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:02,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:02,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190429593] [2022-11-21 16:25:02,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190429593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:02,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:02,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:25:02,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204744089] [2022-11-21 16:25:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:02,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:02,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:25:02,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:25:02,166 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2022-11-21 16:25:02,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:25:02,251 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2022-11-21 16:25:02,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2022-11-21 16:25:02,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:25:02,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2022-11-21 16:25:02,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-21 16:25:02,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-21 16:25:02,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-11-21 16:25:02,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:02,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-21 16:25:02,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-11-21 16:25:02,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-21 16:25:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-21 16:25:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-21 16:25:02,265 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-21 16:25:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:25:02,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-21 16:25:02,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:25:02,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-21 16:25:02,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:25:02,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:25:02,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:25:02,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:02,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:25:02,269 INFO L748 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 175#L525 assume !(main_~length1~0#1 < 1); 176#L525-2 assume !(main_~length2~0#1 < 1); 185#L528-1 assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 177#L535-3 assume !!(main_~i~0#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 178#L535-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 179#L535-3 assume !(main_~i~0#1 < main_~length2~0#1 - 1); 180#L535-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset; 183#L518-3 [2022-11-21 16:25:02,270 INFO L750 eck$LassoCheckResult]: Loop: 183#L518-3 cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post2#1.base, 1 + cstrcpy_#t~post2#1.offset;cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post3#1.base, 1 + cstrcpy_#t~post3#1.offset;call cstrcpy_#t~mem4#1 := read~int(cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, 1); 184#L518-1 assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset;havoc cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset;havoc cstrcpy_#t~mem4#1; 183#L518-3 [2022-11-21 16:25:02,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:02,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2022-11-21 16:25:02,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:02,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814332502] [2022-11-21 16:25:02,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:02,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:02,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:25:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:02,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:25:02,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2022-11-21 16:25:02,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:02,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143769934] [2022-11-21 16:25:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:02,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:02,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:25:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:02,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:25:02,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:02,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2022-11-21 16:25:02,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:02,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546443843] [2022-11-21 16:25:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:02,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:02,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:25:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:02,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:25:02,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-21 16:25:03,377 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:25:03,378 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:25:03,378 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:25:03,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:25:03,378 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:25:03,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:03,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:25:03,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:25:03,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2022-11-21 16:25:03,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:25:03,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:25:03,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:03,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:03,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:03,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:03,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:25:04,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:25:04,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:25:04,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:04,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:04,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:25:05,008 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 [2022-11-21 16:25:05,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:05,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:05,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:05,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,042 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:25:05,048 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 [2022-11-21 16:25:05,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:05,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:05,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:05,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,088 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 [2022-11-21 16:25:05,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:25:05,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:05,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:05,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:05,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,125 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,129 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 [2022-11-21 16:25:05,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:25:05,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,165 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,181 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 [2022-11-21 16:25:05,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:25:05,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,229 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:25:05,235 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 [2022-11-21 16:25:05,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,272 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:25:05,283 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 [2022-11-21 16:25:05,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,332 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,336 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 [2022-11-21 16:25:05,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:25:05,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,371 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:25:05,383 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 [2022-11-21 16:25:05,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,428 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 [2022-11-21 16:25:05,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,440 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:25:05,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:25:05,454 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-21 16:25:05,455 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 16:25:05,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,478 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,482 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 [2022-11-21 16:25:05,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:25:05,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,534 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,544 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 [2022-11-21 16:25:05,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:25:05,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:25:05,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:25:05,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 16:25:05,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:25:05,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,577 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 16:25:05,583 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 [2022-11-21 16:25:05,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:25:05,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:25:05,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:25:05,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:25:05,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:25:05,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:25:05,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:25:05,725 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-21 16:25:05,725 INFO L444 ModelExtractionUtils]: 13 out of 52 variables were initially zero. Simplification set additionally 36 variables to zero. [2022-11-21 16:25:05,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:25:05,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:05,727 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:05,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 16:25:05,738 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:25:05,760 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 16:25:05,760 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:25:05,760 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2, ULTIMATE.start_cstrcpy_~src~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2 - 1*ULTIMATE.start_cstrcpy_~src~0#1.offset Supporting invariants [] [2022-11-21 16:25:05,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:05,823 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2022-11-21 16:25:05,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:05,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-21 16:25:05,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:25:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:05,972 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 16:25:05,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:25:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:06,010 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-21 16:25:06,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-21 16:25:06,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 16 transitions. Complement of second has 5 states. [2022-11-21 16:25:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:25:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-21 16:25:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-21 16:25:06,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-21 16:25:06,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:25:06,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-21 16:25:06,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:25:06,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-21 16:25:06,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:25:06,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-11-21 16:25:06,050 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:25:06,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2022-11-21 16:25:06,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 16:25:06,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 16:25:06,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 16:25:06,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:06,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:25:06,051 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:25:06,051 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:25:06,051 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 16:25:06,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:25:06,051 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:25:06,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 16:25:06,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:25:06 BoogieIcfgContainer [2022-11-21 16:25:06,063 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:25:06,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:25:06,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:25:06,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:25:06,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:58" (3/4) ... [2022-11-21 16:25:06,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:25:06,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:25:06,068 INFO L158 Benchmark]: Toolchain (without parser) took 8157.83ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 150.8MB in the beginning and 92.5MB in the end (delta: 58.3MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2022-11-21 16:25:06,068 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:06,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.84ms. Allocated memory is still 188.7MB. Free memory was 150.8MB in the beginning and 147.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:25:06,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.18ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 146.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:25:06,072 INFO L158 Benchmark]: Boogie Preprocessor took 53.09ms. Allocated memory is still 188.7MB. Free memory was 146.0MB in the beginning and 144.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:06,077 INFO L158 Benchmark]: RCFGBuilder took 361.92ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 132.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:25:06,078 INFO L158 Benchmark]: BuchiAutomizer took 7102.88ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 132.8MB in the beginning and 92.5MB in the end (delta: 40.3MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2022-11-21 16:25:06,078 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 226.5MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:06,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.84ms. Allocated memory is still 188.7MB. Free memory was 150.8MB in the beginning and 147.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.18ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 146.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.09ms. Allocated memory is still 188.7MB. Free memory was 146.0MB in the beginning and 144.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.92ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 132.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7102.88ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 132.8MB in the beginning and 92.5MB in the end (delta: 40.3MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 226.5MB. Free memory is still 92.5MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 4294967295 * length1 and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * src and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 29 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital171 mio100 ax111 hnf100 lsp84 ukn93 mio100 lsp55 div194 bol100 ite100 ukn100 eq160 hnf92 smp70 dnf100 smp100 tf100 neg98 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 16:25:06,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 16:25:06,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b772da2-6629-4ad8-a7d6-5396c0e276b7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE