./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b11c9964533b446d4a410c2e05b424a11d24fa8de6ca154a41c04142b1e6007 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:38:48,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:38:48,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:38:48,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:38:48,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:38:48,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:38:48,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:38:48,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:38:48,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:38:48,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:38:48,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:38:48,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:38:48,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:38:48,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:38:48,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:38:48,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:38:48,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:38:48,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:38:48,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:38:48,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:38:48,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:38:48,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:38:48,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:38:48,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:38:48,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:38:48,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:38:48,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:38:48,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:38:48,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:38:48,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:38:48,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:38:48,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:38:48,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:38:48,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:38:48,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:38:48,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:38:48,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:38:48,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:38:48,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:38:48,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:38:48,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:38:48,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-19 05:38:48,232 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:38:48,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:38:48,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:38:48,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:38:48,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:38:48,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:38:48,235 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:38:48,235 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:38:48,235 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:38:48,236 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:38:48,236 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:38:48,236 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:38:48,236 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:38:48,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:38:48,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:38:48,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:38:48,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:38:48,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:38:48,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:38:48,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:38:48,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:38:48,242 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:38:48,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:38:48,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:38:48,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:38:48,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:38:48,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:38:48,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:38:48,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:38:48,245 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:38:48,246 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_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b11c9964533b446d4a410c2e05b424a11d24fa8de6ca154a41c04142b1e6007 [2021-11-19 05:38:48,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:38:48,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:38:48,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:38:48,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:38:48,585 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:38:48,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2021-11-19 05:38:48,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/data/80e42055f/cfaae3551fb943e982421cb3de68420f/FLAG3e80f9d7d [2021-11-19 05:38:49,277 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:38:49,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2021-11-19 05:38:49,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/data/80e42055f/cfaae3551fb943e982421cb3de68420f/FLAG3e80f9d7d [2021-11-19 05:38:49,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/data/80e42055f/cfaae3551fb943e982421cb3de68420f [2021-11-19 05:38:49,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:38:49,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:38:49,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:38:49,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:38:49,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:38:49,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:38:49" (1/1) ... [2021-11-19 05:38:49,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317c2d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:49, skipping insertion in model container [2021-11-19 05:38:49,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:38:49" (1/1) ... [2021-11-19 05:38:49,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:38:49,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:38:50,095 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:38:50,106 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:38:50,175 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:38:50,215 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:38:50,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50 WrapperNode [2021-11-19 05:38:50,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:38:50,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:38:50,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:38:50,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:38:50,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,264 INFO L137 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2021-11-19 05:38:50,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:38:50,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:38:50,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:38:50,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:38:50,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:38:50,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:38:50,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:38:50,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:38:50,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (1/1) ... [2021-11-19 05:38:50,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:50,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:50,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:38:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:38:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:38:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:38:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:38:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:38:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:38:50,485 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:38:50,487 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:38:50,622 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:38:50,628 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:38:50,629 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:38:50,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:38:50 BoogieIcfgContainer [2021-11-19 05:38:50,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:38:50,632 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:38:50,632 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:38:50,636 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:38:50,637 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:38:50,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:38:49" (1/3) ... [2021-11-19 05:38:50,639 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65492183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:38:50, skipping insertion in model container [2021-11-19 05:38:50,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:38:50,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:50" (2/3) ... [2021-11-19 05:38:50,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65492183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:38:50, skipping insertion in model container [2021-11-19 05:38:50,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:38:50,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:38:50" (3/3) ... [2021-11-19 05:38:50,642 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_diffterm_alloca.i [2021-11-19 05:38:50,696 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:38:50,696 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:38:50,697 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:38:50,697 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:38:50,697 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:38:50,697 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:38:50,697 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:38:50,698 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:38:50,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-11-19 05:38:50,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-19 05:38:50,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:38:50,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:38:50,743 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-19 05:38:50,744 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-19 05:38:50,744 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:38:50,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-11-19 05:38:50,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-19 05:38:50,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:38:50,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:38:50,749 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-19 05:38:50,753 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-19 05:38:50,761 INFO L791 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 17#L382true assume !(main_~length1~0#1 < 1); 15#L382-2true assume !(main_~length2~0#1 < 1); 6#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 10#L369-4true [2021-11-19 05:38:50,774 INFO L793 eck$LassoCheckResult]: Loop: 10#L369-4true call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 16#L369-1true assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 8#L372-5true assume !true; 7#L372-6true call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 18#L374true assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 11#L369-3true cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 10#L369-4true [2021-11-19 05:38:50,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:50,781 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-19 05:38:50,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:50,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214412727] [2021-11-19 05:38:50,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:50,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:50,931 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-11-19 05:38:51,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:51,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608747028] [2021-11-19 05:38:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:51,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:51,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:51,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608747028] [2021-11-19 05:38:51,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608747028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:51,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:51,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:38:51,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652538758] [2021-11-19 05:38:51,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:51,173 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 05:38:51,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:51,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:38:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:38:51,223 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-19 05:38:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:51,234 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-19 05:38:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:38:51,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-11-19 05:38:51,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-19 05:38:51,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-11-19 05:38:51,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-19 05:38:51,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-19 05:38:51,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-11-19 05:38:51,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:38:51,258 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-11-19 05:38:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-11-19 05:38:51,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-19 05:38:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-11-19 05:38:51,293 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-11-19 05:38:51,293 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-11-19 05:38:51,293 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:38:51,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-11-19 05:38:51,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-19 05:38:51,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:38:51,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:38:51,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-19 05:38:51,299 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:51,299 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 47#L369-4 [2021-11-19 05:38:51,300 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 53#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 50#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 51#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 48#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 49#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 54#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 47#L369-4 [2021-11-19 05:38:51,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:51,309 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-11-19 05:38:51,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:51,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495879734] [2021-11-19 05:38:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:51,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,375 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-11-19 05:38:51,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:51,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68055691] [2021-11-19 05:38:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:51,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,396 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:51,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:51,418 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-11-19 05:38:51,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:51,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382626732] [2021-11-19 05:38:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:51,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,474 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:51,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:52,732 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:38:52,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:38:52,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:38:52,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:38:52,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:38:52,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:52,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:38:52,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:38:52,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration2_Lasso [2021-11-19 05:38:52,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:38:52,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:38:52,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:53,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:38:53,962 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:38:53,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:53,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:53,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:53,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 05:38:53,971 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 [2021-11-19 05:38:53,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:53,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:53,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:53,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:53,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:53,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 05:38:54,057 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 [2021-11-19 05:38:54,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:54,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,150 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 [2021-11-19 05:38:54,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:54,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 05:38:54,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,224 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 [2021-11-19 05:38:54,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:54,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 05:38:54,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,297 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 05:38:54,299 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 [2021-11-19 05:38:54,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:54,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,387 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 [2021-11-19 05:38:54,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:54,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 05:38:54,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,476 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 [2021-11-19 05:38:54,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:54,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,487 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-11-19 05:38:54,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:54,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 05:38:54,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:54,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,571 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-19 05:38:54,576 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 [2021-11-19 05:38:54,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:54,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:54,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:54,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:54,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:54,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:54,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:38:54,675 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-19 05:38:54,675 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-19 05:38:54,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:54,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,770 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:38:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-19 05:38:54,788 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-19 05:38:54,789 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:38:54,789 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrpbrk_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 - 1*ULTIMATE.start_cstrpbrk_~sc1~0#1.offset Supporting invariants [] [2021-11-19 05:38:54,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-19 05:38:54,915 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-11-19 05:38:54,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:55,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:38:55,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:55,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:38:55,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:55,199 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-19 05:38:55,201 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:55,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-11-19 05:38:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-19 05:38:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-11-19 05:38:55,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-19 05:38:55,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:38:55,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-11-19 05:38:55,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:38:55,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-11-19 05:38:55,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:38:55,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-11-19 05:38:55,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:38:55,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-11-19 05:38:55,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-19 05:38:55,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-19 05:38:55,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-11-19 05:38:55,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:38:55,305 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-19 05:38:55,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-11-19 05:38:55,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-19 05:38:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-11-19 05:38:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-11-19 05:38:55,310 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-19 05:38:55,310 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-19 05:38:55,310 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 05:38:55,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-11-19 05:38:55,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:38:55,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:38:55,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:38:55,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:55,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:38:55,318 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 188#L382 assume !(main_~length1~0#1 < 1); 195#L382-2 assume !(main_~length2~0#1 < 1); 180#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 181#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 190#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 184#L372-5 [2021-11-19 05:38:55,318 INFO L793 eck$LassoCheckResult]: Loop: 184#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 185#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 193#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, 1 + cstrpbrk_#t~post211#1.offset;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 184#L372-5 [2021-11-19 05:38:55,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:55,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-11-19 05:38:55,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:55,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716454340] [2021-11-19 05:38:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:55,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:55,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:55,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:55,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:55,404 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-11-19 05:38:55,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:55,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112255194] [2021-11-19 05:38:55,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:55,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:55,422 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:55,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:55,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:55,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-11-19 05:38:55,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:55,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567765687] [2021-11-19 05:38:55,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:55,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:55,469 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:55,527 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:55,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:56,424 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:38:56,424 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:38:56,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:38:56,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:38:56,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:38:56,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:56,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:38:56,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:38:56,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration3_Lasso [2021-11-19 05:38:56,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:38:56,425 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:38:56,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:56,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:38:57,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:38:57,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:38:57,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,429 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,449 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 [2021-11-19 05:38:57,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-19 05:38:57,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-19 05:38:57,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,509 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-19 05:38:57,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:38:57,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,546 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-19 05:38:57,549 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 [2021-11-19 05:38:57,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,577 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-19 05:38:57,580 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 [2021-11-19 05:38:57,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,658 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,663 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 [2021-11-19 05:38:57,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-19 05:38:57,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,698 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-19 05:38:57,700 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 [2021-11-19 05:38:57,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:57,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:57,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,737 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-19 05:38:57,740 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 [2021-11-19 05:38:57,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,814 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:38:57,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:38:57,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:38:57,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:38:57,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-19 05:38:57,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,863 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-19 05:38:57,867 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 [2021-11-19 05:38:57,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:57,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:57,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:57,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:57,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:57,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:57,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:57,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:57,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:57,947 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:57,954 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 [2021-11-19 05:38:57,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-19 05:38:57,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:57,963 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-19 05:38:57,963 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2021-11-19 05:38:57,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:58,050 INFO L401 nArgumentSynthesizer]: We have 140 Motzkin's Theorem applications. [2021-11-19 05:38:58,050 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2021-11-19 05:38:58,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:58,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:58,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:58,267 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:58,280 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 [2021-11-19 05:38:58,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:58,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:58,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:58,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:58,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:58,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:58,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-19 05:38:58,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:58,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:58,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:58,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:58,347 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:58,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-19 05:38:58,373 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 [2021-11-19 05:38:58,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:58,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:58,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:58,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:58,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:58,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:58,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:58,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:58,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:58,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:58,451 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:58,453 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 [2021-11-19 05:38:58,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:58,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:58,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:58,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:58,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:58,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:58,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-19 05:38:58,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:38:58,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:58,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:58,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:58,533 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:58,535 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 [2021-11-19 05:38:58,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:38:58,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:38:58,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:38:58,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:38:58,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:38:58,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:38:58,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-19 05:38:58,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:38:58,610 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-19 05:38:58,610 INFO L444 ModelExtractionUtils]: 33 out of 43 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-19 05:38:58,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:38:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:58,611 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:58,613 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:38:58,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-19 05:38:58,638 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-19 05:38:58,638 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:38:58,639 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2 Supporting invariants [] [2021-11-19 05:38:58,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:58,693 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-11-19 05:38:58,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:58,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:38:58,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:58,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:38:58,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:58,818 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-19 05:38:58,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:58,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2021-11-19 05:38:58,865 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 [2021-11-19 05:38:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-19 05:38:58,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-19 05:38:58,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:38:58,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-11-19 05:38:58,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:38:58,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-11-19 05:38:58,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:38:58,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-11-19 05:38:58,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:38:58,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-11-19 05:38:58,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-19 05:38:58,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-19 05:38:58,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-11-19 05:38:58,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:38:58,871 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-11-19 05:38:58,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-11-19 05:38:58,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-11-19 05:38:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2021-11-19 05:38:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-11-19 05:38:58,874 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-11-19 05:38:58,874 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-11-19 05:38:58,874 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-19 05:38:58,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-11-19 05:38:58,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:38:58,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:38:58,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:38:58,876 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:58,876 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:38:58,876 INFO L791 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 351#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 360#L382 assume !(main_~length1~0#1 < 1); 369#L382-2 assume !(main_~length2~0#1 < 1); 352#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 353#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 361#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 370#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 373#L372-1 assume !cstrpbrk_#t~short210#1; 371#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 354#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 355#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 365#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 362#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 364#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 356#L372-5 [2021-11-19 05:38:58,876 INFO L793 eck$LassoCheckResult]: Loop: 356#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 357#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 366#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, 1 + cstrpbrk_#t~post211#1.offset;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 356#L372-5 [2021-11-19 05:38:58,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:58,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-11-19 05:38:58,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:58,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711749246] [2021-11-19 05:38:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:58,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:58,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:58,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711749246] [2021-11-19 05:38:58,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711749246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:58,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:58,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:38:58,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674362478] [2021-11-19 05:38:58,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:58,939 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-19 05:38:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-11-19 05:38:58,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:58,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981354623] [2021-11-19 05:38:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:58,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:58,945 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:58,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:59,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:59,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:38:59,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:38:59,076 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2021-11-19 05:38:59,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:59,176 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-11-19 05:38:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:38:59,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-11-19 05:38:59,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-19 05:38:59,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-11-19 05:38:59,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-19 05:38:59,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-19 05:38:59,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-11-19 05:38:59,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:38:59,189 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-19 05:38:59,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-11-19 05:38:59,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-11-19 05:38:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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) [2021-11-19 05:38:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-11-19 05:38:59,195 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-19 05:38:59,195 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-19 05:38:59,195 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-19 05:38:59,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-11-19 05:38:59,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:38:59,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:38:59,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:38:59,198 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:59,198 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:38:59,198 INFO L791 eck$LassoCheckResult]: Stem: 422#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 423#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 432#L382 assume !(main_~length1~0#1 < 1); 441#L382-2 assume !(main_~length2~0#1 < 1); 424#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 425#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 433#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 446#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 445#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 443#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 426#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 427#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 437#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 434#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 436#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 428#L372-5 [2021-11-19 05:38:59,199 INFO L793 eck$LassoCheckResult]: Loop: 428#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 429#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 438#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, 1 + cstrpbrk_#t~post211#1.offset;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 428#L372-5 [2021-11-19 05:38:59,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:59,199 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-11-19 05:38:59,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:59,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361540858] [2021-11-19 05:38:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:59,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:59,240 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:59,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:59,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:59,286 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-11-19 05:38:59,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:59,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718419631] [2021-11-19 05:38:59,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:59,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:59,291 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:59,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:59,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:59,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-11-19 05:38:59,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:59,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764495604] [2021-11-19 05:38:59,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:59,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:59,340 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:38:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:38:59,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:38:59,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:00,589 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:39:00,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:39:00,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:39:00,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:39:00,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:39:00,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:00,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:39:00,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:39:00,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration5_Lasso [2021-11-19 05:39:00,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:39:00,590 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:39:00,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:00,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:01,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:39:02,813 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:39:02,813 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:39:02,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:02,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:02,815 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:02,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-19 05:39:02,816 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 [2021-11-19 05:39:02,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:02,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:02,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:02,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:02,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:02,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-19 05:39:02,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:02,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:02,848 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:02,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-19 05:39:02,850 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 [2021-11-19 05:39:02,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:02,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:02,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:02,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:02,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:02,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:02,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:02,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:02,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:02,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:02,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:02,882 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:02,883 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 [2021-11-19 05:39:02,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-19 05:39:02,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:02,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:02,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:02,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:02,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:02,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:02,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:02,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:02,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:02,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:02,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:02,926 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:02,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-19 05:39:02,931 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 [2021-11-19 05:39:02,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:02,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:02,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:02,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:02,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:02,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:02,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:02,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:02,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:02,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:02,966 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:02,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-19 05:39:02,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:39:02,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:02,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:02,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:02,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:02,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:02,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:02,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:02,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,008 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-19 05:39:03,018 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 [2021-11-19 05:39:03,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:03,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:03,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-19 05:39:03,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,067 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-19 05:39:03,077 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 [2021-11-19 05:39:03,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:03,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:03,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:03,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,109 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-19 05:39:03,110 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 [2021-11-19 05:39:03,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:03,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:03,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:03,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,180 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,186 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 [2021-11-19 05:39:03,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:03,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:03,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-19 05:39:03,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,243 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,244 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 [2021-11-19 05:39:03,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-19 05:39:03,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:03,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:03,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:03,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-19 05:39:03,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,276 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-19 05:39:03,278 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 [2021-11-19 05:39:03,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:03,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:03,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:03,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-19 05:39:03,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,310 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-19 05:39:03,313 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 [2021-11-19 05:39:03,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:39:03,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:39:03,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:39:03,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,346 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-19 05:39:03,347 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 [2021-11-19 05:39:03,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,355 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-11-19 05:39:03,355 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2021-11-19 05:39:03,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,485 INFO L401 nArgumentSynthesizer]: We have 196 Motzkin's Theorem applications. [2021-11-19 05:39:03,485 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2021-11-19 05:39:03,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,915 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:03,919 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 [2021-11-19 05:39:03,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:03,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:03,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:03,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:03,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:03,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:03,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-19 05:39:03,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:03,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:03,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:03,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:03,998 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:04,006 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 [2021-11-19 05:39:04,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:04,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:04,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:04,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:04,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:04,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-19 05:39:04,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:04,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:04,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:04,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:04,097 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:04,100 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 [2021-11-19 05:39:04,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:04,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:04,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:04,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:04,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:04,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:04,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-19 05:39:04,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:04,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:04,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:04,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:04,170 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:04,173 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 [2021-11-19 05:39:04,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:04,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:04,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:04,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:04,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-19 05:39:04,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:04,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:04,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:39:04,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:04,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:04,231 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:04,234 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 [2021-11-19 05:39:04,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:39:04,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:39:04,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:39:04,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:39:04,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:39:04,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:39:04,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-19 05:39:04,297 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:39:04,385 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2021-11-19 05:39:04,385 INFO L444 ModelExtractionUtils]: 10 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2021-11-19 05:39:04,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:39:04,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:04,389 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:39:04,394 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:39:04,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-19 05:39:04,422 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-19 05:39:04,422 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:39:04,423 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_cstrpbrk_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_cstrpbrk_~s~0#1.offset Supporting invariants [] [2021-11-19 05:39:04,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-19 05:39:04,550 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-11-19 05:39:04,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:04,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:39:04,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:04,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:39:04,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:39:04,733 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-19 05:39:04,733 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:04,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-11-19 05:39:04,787 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 [2021-11-19 05:39:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-19 05:39:04,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-19 05:39:04,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:39:04,790 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-19 05:39:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:04,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:39:04,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:04,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:39:04,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:39:04,987 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-19 05:39:04,987 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:05,024 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-11-19 05:39:05,024 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 [2021-11-19 05:39:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-19 05:39:05,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-19 05:39:05,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:39:05,026 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-19 05:39:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:05,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:39:05,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:05,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-19 05:39:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:05,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:39:05,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:39:05,248 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-19 05:39:05,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:05,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 5 states. [2021-11-19 05:39:05,289 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 [2021-11-19 05:39:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-19 05:39:05,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-19 05:39:05,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:39:05,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-11-19 05:39:05,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:39:05,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-11-19 05:39:05,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:39:05,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-11-19 05:39:05,294 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:39:05,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-11-19 05:39:05,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 05:39:05,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 05:39:05,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 05:39:05,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:39:05,295 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:39:05,295 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:39:05,295 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:39:05,295 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-19 05:39:05,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:39:05,295 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:39:05,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 05:39:05,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 05:39:05 BoogieIcfgContainer [2021-11-19 05:39:05,302 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 05:39:05,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:39:05,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:39:05,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:39:05,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:38:50" (3/4) ... [2021-11-19 05:39:05,306 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:39:05,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:39:05,307 INFO L158 Benchmark]: Toolchain (without parser) took 15720.05ms. Allocated memory was 96.5MB in the beginning and 197.1MB in the end (delta: 100.7MB). Free memory was 62.8MB in the beginning and 149.8MB in the end (delta: -87.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 05:39:05,308 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:39:05,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.51ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 65.2MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:39:05,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.28ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 63.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:39:05,309 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:39:05,310 INFO L158 Benchmark]: RCFGBuilder took 337.64ms. Allocated memory is still 96.5MB. Free memory was 61.6MB in the beginning and 50.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:39:05,310 INFO L158 Benchmark]: BuchiAutomizer took 14669.78ms. Allocated memory was 96.5MB in the beginning and 197.1MB in the end (delta: 100.7MB). Free memory was 50.5MB in the beginning and 149.8MB in the end (delta: -99.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-11-19 05:39:05,310 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 197.1MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:39:05,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.51ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 65.2MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.28ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 63.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.64ms. Allocated memory is still 96.5MB. Free memory was 61.6MB in the beginning and 50.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 14669.78ms. Allocated memory was 96.5MB in the beginning and 197.1MB in the end (delta: 100.7MB). Free memory was 50.5MB in the beginning and 149.8MB in the end (delta: -99.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 197.1MB. Free memory is still 149.8MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString2] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 185 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 105 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital264 mio100 ax100 hnf100 lsp106 ukn84 mio100 lsp30 div132 bol100 ite100 ukn100 eq164 hnf78 smp93 dnf694 smp31 tf100 neg95 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 526ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 6 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 196 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 05:39:05,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366ab3bf-6d38-4d6a-8e0a-18104fcb009a/bin/uautomizer-ZXIjhQolGL/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