./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd713315a01a83d82c28c42f2ad6c72c3349a374 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:23:37,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:23:37,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:23:37,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:23:37,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:23:37,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:23:37,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:23:37,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:23:37,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:23:37,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:23:37,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:23:37,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:23:37,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:23:37,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:23:37,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:23:37,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:23:37,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:23:37,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:23:37,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:23:37,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:23:37,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:23:37,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:23:37,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:23:37,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:23:37,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:23:37,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:23:37,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:23:37,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:23:37,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:23:37,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:23:37,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:23:37,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:23:37,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:23:37,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:23:37,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:23:37,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:23:37,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:23:37,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:23:37,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:23:37,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:23:37,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:23:37,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:23:37,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:23:37,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:23:37,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:23:37,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:23:37,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:23:37,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:23:37,936 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:23:37,936 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:23:37,936 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:23:37,937 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:23:37,938 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:23:37,938 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:23:37,939 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:23:37,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:23:37,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:23:37,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:23:37,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:23:37,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:23:37,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:23:37,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:23:37,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:23:37,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:23:37,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:23:37,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:23:37,942 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:23:37,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:23:37,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:23:37,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:23:37,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:23:37,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:23:37,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:23:37,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:23:37,947 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:23:37,948 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_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd713315a01a83d82c28c42f2ad6c72c3349a374 [2021-10-13 01:23:38,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:23:38,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:23:38,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:23:38,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:23:38,417 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:23:38,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2021-10-13 01:23:38,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/data/271bd17ee/d0b7699941f34303a19c7f1f0aa7f327/FLAG2f186350c [2021-10-13 01:23:39,344 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:23:39,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2021-10-13 01:23:39,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/data/271bd17ee/d0b7699941f34303a19c7f1f0aa7f327/FLAG2f186350c [2021-10-13 01:23:39,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/data/271bd17ee/d0b7699941f34303a19c7f1f0aa7f327 [2021-10-13 01:23:39,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:23:39,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:23:39,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:23:39,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:23:39,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:23:39,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:23:39" (1/1) ... [2021-10-13 01:23:39,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4298f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:39, skipping insertion in model container [2021-10-13 01:23:39,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:23:39" (1/1) ... [2021-10-13 01:23:39,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:23:39,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:23:40,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:23:40,249 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:23:40,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:23:40,382 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:23:40,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40 WrapperNode [2021-10-13 01:23:40,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:23:40,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:23:40,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:23:40,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:23:40,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:23:40,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:23:40,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:23:40,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:23:40,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:23:40,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:23:40,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:23:40,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:23:40,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (1/1) ... [2021-10-13 01:23:40,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:40,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:40,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:23:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:23:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:23:41,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:23:41,092 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 01:23:41,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:41 BoogieIcfgContainer [2021-10-13 01:23:41,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:23:41,095 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:23:41,095 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:23:41,099 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:23:41,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:23:41,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:23:39" (1/3) ... [2021-10-13 01:23:41,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@935763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:23:41, skipping insertion in model container [2021-10-13 01:23:41,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:23:41,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:40" (2/3) ... [2021-10-13 01:23:41,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@935763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:23:41, skipping insertion in model container [2021-10-13 01:23:41,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:23:41,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:41" (3/3) ... [2021-10-13 01:23:41,105 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcspn-alloca-1.i [2021-10-13 01:23:41,184 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:23:41,184 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:23:41,185 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:23:41,185 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:23:41,185 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:23:41,185 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:23:41,186 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:23:41,186 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:23:41,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2021-10-13 01:23:41,242 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-13 01:23:41,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:41,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:41,250 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:23:41,250 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:23:41,250 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:23:41,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2021-10-13 01:23:41,254 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-13 01:23:41,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:41,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:41,255 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:23:41,255 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:23:41,264 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 11#L532true assume !(main_~length1~0 < 1); 7#L532-2true assume !(main_~length2~0 < 1); 3#L535-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 18#L541-3true [2021-10-13 01:23:41,265 INFO L793 eck$LassoCheckResult]: Loop: 18#L541-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 24#L541-2true main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 18#L541-3true [2021-10-13 01:23:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:41,273 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-13 01:23:41,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:41,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229439566] [2021-10-13 01:23:41,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:41,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:41,444 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:41,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:41,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:41,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-13 01:23:41,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:41,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433600919] [2021-10-13 01:23:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:41,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:41,568 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:41,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:41,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-13 01:23:41,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:41,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480631548] [2021-10-13 01:23:41,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:41,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:41,652 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:41,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:42,418 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:23:42,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:23:42,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:23:42,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:23:42,420 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:23:42,420 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:42,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:23:42,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:23:42,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration1_Lasso [2021-10-13 01:23:42,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:23:42,421 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:23:42,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:42,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:43,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:23:43,129 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:23:43,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,143 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 [2021-10-13 01:23:43,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:43,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:43,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:43,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:23:43,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:43,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 01:23:43,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,242 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 [2021-10-13 01:23:43,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:43,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:43,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:43,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:23:43,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:43,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:43,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,327 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 [2021-10-13 01:23:43,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:43,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:23:43,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:43,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:43,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:43,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:43,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,410 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 [2021-10-13 01:23:43,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:43,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:43,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:23:43,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:43,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:43,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,507 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 [2021-10-13 01:23:43,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:43,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:43,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:43,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:23:43,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:43,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:43,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:23:43,602 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 [2021-10-13 01:23:43,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:43,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:43,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:43,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:43,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,657 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:23:43,664 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 [2021-10-13 01:23:43,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:43,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:43,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:43,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:43,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:43,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:43,740 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:23:43,800 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 01:23:43,800 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-13 01:23:43,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:43,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:43,804 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:43,819 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:23:43,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:23:43,848 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:23:43,848 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:23:43,849 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-13 01:23:43,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:43,928 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 01:23:43,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:43,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:23:43,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:44,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:23:44,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:44,119 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 [2021-10-13 01:23:44,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:44,219 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 87 transitions. Complement of second has 7 states. [2021-10-13 01:23:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:23:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2021-10-13 01:23:44,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 01:23:44,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:44,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 01:23:44,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:44,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 01:23:44,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:44,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 87 transitions. [2021-10-13 01:23:44,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-13 01:23:44,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 20 states and 27 transitions. [2021-10-13 01:23:44,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 01:23:44,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-13 01:23:44,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-13 01:23:44,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:23:44,258 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-13 01:23:44,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-13 01:23:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-13 01:23:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-10-13 01:23:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-10-13 01:23:44,294 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-13 01:23:44,294 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-13 01:23:44,294 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:23:44,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-10-13 01:23:44,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-13 01:23:44,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:44,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:44,302 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:44,302 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:23:44,302 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 161#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 165#L532 assume !(main_~length1~0 < 1); 162#L532-2 assume !(main_~length2~0 < 1); 156#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 157#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 166#L541-4 main_~i~1 := 0; 159#L547-3 [2021-10-13 01:23:44,302 INFO L793 eck$LassoCheckResult]: Loop: 159#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 158#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 159#L547-3 [2021-10-13 01:23:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:44,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-13 01:23:44,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:44,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891954798] [2021-10-13 01:23:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:44,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:44,342 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:44,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:44,368 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-13 01:23:44,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:44,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745385289] [2021-10-13 01:23:44,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:44,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:44,391 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:44,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:44,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:44,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-13 01:23:44,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:44,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104526295] [2021-10-13 01:23:44,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:44,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:44,443 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:44,484 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:44,926 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:23:44,926 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:23:44,926 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:23:44,926 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:23:44,927 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:23:44,927 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:44,927 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:23:44,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:23:44,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration2_Lasso [2021-10-13 01:23:44,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:23:44,927 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:23:44,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:44,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:45,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:45,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:45,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:45,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:23:45,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:23:45,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:45,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:45,518 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:45,525 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 [2021-10-13 01:23:45,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:45,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:45,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:45,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:45,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:45,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:45,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:45,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:23:45,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:45,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:45,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:45,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:45,611 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 [2021-10-13 01:23:45,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:45,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:45,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:45,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:45,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:45,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:45,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:45,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:23:45,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:45,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:45,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:45,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:45,688 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:45,695 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 [2021-10-13 01:23:45,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:45,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:45,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:45,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:45,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:45,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:45,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:45,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:23:45,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:45,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:45,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:45,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:45,776 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:45,783 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 [2021-10-13 01:23:45,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:45,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:45,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:45,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:45,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:45,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:45,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:23:45,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:45,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:45,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:45,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:45,862 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:45,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:23:45,865 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 [2021-10-13 01:23:45,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:45,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:45,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:45,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:45,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:45,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:45,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:45,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:45,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:45,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:45,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:45,950 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:45,959 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 [2021-10-13 01:23:45,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:45,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:45,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:45,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:45,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:45,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:45,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:23:45,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,040 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,049 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 [2021-10-13 01:23:46,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:23:46,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:46,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:46,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,131 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,138 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 [2021-10-13 01:23:46,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:46,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:46,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:46,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:23:46,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,213 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:23:46,222 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 [2021-10-13 01:23:46,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:46,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:46,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,298 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,307 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 [2021-10-13 01:23:46,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:46,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:46,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:23:46,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,384 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:23:46,397 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 [2021-10-13 01:23:46,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:46,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:46,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,491 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,502 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 [2021-10-13 01:23:46,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:23:46,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:46,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:46,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,591 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,595 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 [2021-10-13 01:23:46,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:46,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:46,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:46,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:23:46,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:46,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,680 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,683 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 [2021-10-13 01:23:46,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:46,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:46,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:46,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:46,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:46,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:46,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:23:46,729 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:23:46,770 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 01:23:46,770 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-13 01:23:46,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:46,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:46,771 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:46,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:23:46,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:23:46,810 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:23:46,810 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:23:46,811 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-10-13 01:23:46,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:46,874 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 01:23:46,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:46,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:23:46,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:46,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:23:46,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:46,968 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 [2021-10-13 01:23:46,969 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:47,000 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 44 transitions. Complement of second has 6 states. [2021-10-13 01:23:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:23:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-13 01:23:47,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 01:23:47,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:47,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-13 01:23:47,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:47,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-13 01:23:47,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:47,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2021-10-13 01:23:47,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:23:47,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 29 transitions. [2021-10-13 01:23:47,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 01:23:47,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 01:23:47,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2021-10-13 01:23:47,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:23:47,023 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-13 01:23:47,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2021-10-13 01:23:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-13 01:23:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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) [2021-10-13 01:23:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2021-10-13 01:23:47,026 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-13 01:23:47,026 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-13 01:23:47,026 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:23:47,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2021-10-13 01:23:47,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:23:47,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:47,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:47,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:47,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:47,028 INFO L791 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 286#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 290#L532 assume !(main_~length1~0 < 1); 287#L532-2 assume !(main_~length2~0 < 1); 281#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 282#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 291#L541-4 main_~i~1 := 0; 292#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 297#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 296#L519-4 [2021-10-13 01:23:47,029 INFO L793 eck$LassoCheckResult]: Loop: 296#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 300#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 294#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 301#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 293#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 288#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 289#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 295#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 296#L519-4 [2021-10-13 01:23:47,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:47,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-10-13 01:23:47,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:47,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951006918] [2021-10-13 01:23:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:47,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,049 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,075 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:47,076 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 1 times [2021-10-13 01:23:47,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:47,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603037062] [2021-10-13 01:23:47,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:47,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,101 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:47,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:47,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1903570310, now seen corresponding path program 1 times [2021-10-13 01:23:47,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:47,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855236591] [2021-10-13 01:23:47,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:47,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:47,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:47,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855236591] [2021-10-13 01:23:47,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855236591] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:23:47,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:23:47,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 01:23:47,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470124638] [2021-10-13 01:23:47,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:47,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:47,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:23:47,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:23:47,766 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 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) [2021-10-13 01:23:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:47,874 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-10-13 01:23:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:23:47,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-10-13 01:23:47,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:23:47,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 22 states and 29 transitions. [2021-10-13 01:23:47,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 01:23:47,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 01:23:47,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2021-10-13 01:23:47,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:23:47,880 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-13 01:23:47,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2021-10-13 01:23:47,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-10-13 01:23:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 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) [2021-10-13 01:23:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-10-13 01:23:47,887 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-13 01:23:47,887 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-13 01:23:47,887 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:23:47,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-10-13 01:23:47,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:23:47,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:47,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:47,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:47,889 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:47,889 INFO L791 eck$LassoCheckResult]: Stem: 351#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 352#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 356#L532 assume !(main_~length1~0 < 1); 353#L532-2 assume !(main_~length2~0 < 1); 347#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 348#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 364#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 365#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 357#L541-4 main_~i~1 := 0; 358#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 363#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 362#L519-4 [2021-10-13 01:23:47,889 INFO L793 eck$LassoCheckResult]: Loop: 362#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 366#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 360#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 367#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 359#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 354#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 355#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 361#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 362#L519-4 [2021-10-13 01:23:47,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:47,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-10-13 01:23:47,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:47,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507986493] [2021-10-13 01:23:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:47,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,911 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,931 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:47,932 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 2 times [2021-10-13 01:23:47,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:47,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404559573] [2021-10-13 01:23:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:47,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,945 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:47,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:47,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:47,957 INFO L82 PathProgramCache]: Analyzing trace with hash -164170776, now seen corresponding path program 1 times [2021-10-13 01:23:47,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:47,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127119281] [2021-10-13 01:23:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:47,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:48,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:48,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127119281] [2021-10-13 01:23:48,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127119281] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:23:48,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:23:48,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-13 01:23:48,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921618365] [2021-10-13 01:23:48,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:48,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:23:48,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:23:48,457 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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) [2021-10-13 01:23:48,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:48,666 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2021-10-13 01:23:48,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 01:23:48,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2021-10-13 01:23:48,667 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-13 01:23:48,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 41 transitions. [2021-10-13 01:23:48,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-13 01:23:48,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-13 01:23:48,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2021-10-13 01:23:48,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:23:48,669 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-13 01:23:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2021-10-13 01:23:48,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2021-10-13 01:23:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 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) [2021-10-13 01:23:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-10-13 01:23:48,678 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-13 01:23:48,678 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-13 01:23:48,678 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:23:48,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-10-13 01:23:48,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-13 01:23:48,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:48,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:48,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:48,682 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:48,684 INFO L791 eck$LassoCheckResult]: Stem: 430#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 431#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 435#L532 assume !(main_~length1~0 < 1); 432#L532-2 assume !(main_~length2~0 < 1); 426#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 427#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 443#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 444#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 436#L541-4 main_~i~1 := 0; 437#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 442#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 440#L519-4 [2021-10-13 01:23:48,684 INFO L793 eck$LassoCheckResult]: Loop: 440#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 446#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 449#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 447#L522-1 assume !cstrcspn_#t~short7; 448#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 456#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 455#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 439#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 440#L519-4 [2021-10-13 01:23:48,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:48,685 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 2 times [2021-10-13 01:23:48,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:48,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823383864] [2021-10-13 01:23:48,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:48,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:48,721 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:48,762 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:48,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash -903038413, now seen corresponding path program 1 times [2021-10-13 01:23:48,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:48,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373098448] [2021-10-13 01:23:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:48,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:48,783 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:48,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:48,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:48,803 INFO L82 PathProgramCache]: Analyzing trace with hash -162323734, now seen corresponding path program 1 times [2021-10-13 01:23:48,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:48,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907233572] [2021-10-13 01:23:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:48,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:48,844 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:48,884 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:50,098 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:23:50,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:23:50,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:23:50,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:23:50,098 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:23:50,099 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:50,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:23:50,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:23:50,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration5_Lasso [2021-10-13 01:23:50,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:23:50,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:23:50,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:50,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:51,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:23:51,368 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:23:51,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,370 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,377 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 [2021-10-13 01:23:51,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:23:51,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 01:23:51,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,446 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,451 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 [2021-10-13 01:23:51,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:23:51,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:51,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,494 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:23:51,497 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 [2021-10-13 01:23:51,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:51,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:51,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:51,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,586 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,589 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 [2021-10-13 01:23:51,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:23:51,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:51,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,659 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:23:51,661 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 [2021-10-13 01:23:51,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 01:23:51,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,714 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:23:51,716 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 [2021-10-13 01:23:51,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:51,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,763 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:23:51,765 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 [2021-10-13 01:23:51,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 01:23:51,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,803 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,805 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 [2021-10-13 01:23:51,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:23:51,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 01:23:51,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,843 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:23:51,845 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 [2021-10-13 01:23:51,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:51,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,885 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:23:51,887 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 [2021-10-13 01:23:51,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:51,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:51,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:51,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:51,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:51,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:51,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:51,964 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:51,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:23:51,967 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 [2021-10-13 01:23:51,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:51,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:51,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:51,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:51,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:51,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:51,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,009 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:23:52,011 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 [2021-10-13 01:23:52,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,049 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:23:52,050 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 [2021-10-13 01:23:52,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 01:23:52,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,089 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:23:52,091 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 [2021-10-13 01:23:52,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,173 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:23:52,175 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 [2021-10-13 01:23:52,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 01:23:52,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,222 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:23:52,228 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 [2021-10-13 01:23:52,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-13 01:23:52,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,272 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:23:52,275 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 [2021-10-13 01:23:52,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,318 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:23:52,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:23:52,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 01:23:52,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,357 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:23:52,359 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 [2021-10-13 01:23:52,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,397 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:23:52,398 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 [2021-10-13 01:23:52,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 01:23:52,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,440 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:23:52,454 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 [2021-10-13 01:23:52,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,495 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:23:52,497 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 [2021-10-13 01:23:52,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 01:23:52,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,552 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:23:52,554 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 [2021-10-13 01:23:52,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,625 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:23:52,628 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 [2021-10-13 01:23:52,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,690 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:23:52,691 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 [2021-10-13 01:23:52,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-13 01:23:52,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,733 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:23:52,735 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 [2021-10-13 01:23:52,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 01:23:52,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,777 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:23:52,780 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 [2021-10-13 01:23:52,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,789 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:23:52,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,791 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:23:52,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-13 01:23:52,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,831 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:23:52,834 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 [2021-10-13 01:23:52,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:52,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,891 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:23:52,892 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 [2021-10-13 01:23:52,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:52,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:52,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:52,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:52,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-13 01:23:52,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:52,932 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:52,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 01:23:52,934 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 [2021-10-13 01:23:52,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:52,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:52,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:52,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:52,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:52,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:52,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:53,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:53,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:53,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:53,039 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:53,046 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 [2021-10-13 01:23:53,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:53,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:53,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:53,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:53,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 01:23:53,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:53,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:53,110 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:23:53,150 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-13 01:23:53,150 INFO L444 ModelExtractionUtils]: 47 out of 58 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-13 01:23:53,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:53,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:53,152 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:53,156 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:23:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 01:23:53,195 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:23:53,195 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:23:53,195 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2, ULTIMATE.start_cstrcspn_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 - 1*ULTIMATE.start_cstrcspn_~sc1~0.offset Supporting invariants [] [2021-10-13 01:23:53,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:53,281 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-10-13 01:23:53,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:53,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:23:53,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:53,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:23:53,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:53,527 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 [2021-10-13 01:23:53,527 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-13 01:23:53,573 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 48 states and 59 transitions. Complement of second has 4 states. [2021-10-13 01:23:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 01:23:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-13 01:23:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2021-10-13 01:23:53,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 11 letters. Loop has 8 letters. [2021-10-13 01:23:53,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:53,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 19 letters. Loop has 8 letters. [2021-10-13 01:23:53,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:53,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 11 letters. Loop has 16 letters. [2021-10-13 01:23:53,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:53,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2021-10-13 01:23:53,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:23:53,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 27 states and 35 transitions. [2021-10-13 01:23:53,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 01:23:53,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 01:23:53,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-10-13 01:23:53,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:23:53,579 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-13 01:23:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-10-13 01:23:53,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-13 01:23:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 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) [2021-10-13 01:23:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-10-13 01:23:53,583 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-13 01:23:53,583 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-13 01:23:53,583 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:23:53,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-10-13 01:23:53,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:23:53,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:53,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:53,585 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:53,585 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:23:53,586 INFO L791 eck$LassoCheckResult]: Stem: 631#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 632#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 636#L532 assume !(main_~length1~0 < 1); 633#L532-2 assume !(main_~length2~0 < 1); 627#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 628#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 646#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 647#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 637#L541-4 main_~i~1 := 0; 638#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 629#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 630#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 644#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 645#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 648#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 640#L522-5 [2021-10-13 01:23:53,586 INFO L793 eck$LassoCheckResult]: Loop: 640#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 650#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 639#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 640#L522-5 [2021-10-13 01:23:53,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2055034687, now seen corresponding path program 1 times [2021-10-13 01:23:53,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:53,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74384377] [2021-10-13 01:23:53,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:53,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:53,602 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:53,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:53,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:53,622 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 1 times [2021-10-13 01:23:53,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:53,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765272740] [2021-10-13 01:23:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:53,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:53,629 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:53,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:53,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:53,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1074579938, now seen corresponding path program 1 times [2021-10-13 01:23:53,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:53,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424909848] [2021-10-13 01:23:53,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:53,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:53,653 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:23:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:23:53,675 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:23:54,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:55,443 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:23:55,444 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:23:55,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:23:55,444 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:23:55,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:23:55,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:55,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:23:55,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:23:55,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration6_Lasso [2021-10-13 01:23:55,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:23:55,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:23:55,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:55,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:56,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:23:57,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:23:57,292 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:23:57,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,300 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 01:23:57,302 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 [2021-10-13 01:23:57,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 01:23:57,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,340 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 01:23:57,341 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 [2021-10-13 01:23:57,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 01:23:57,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,379 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 01:23:57,381 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 [2021-10-13 01:23:57,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:57,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:57,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-13 01:23:57,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,428 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 01:23:57,429 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 [2021-10-13 01:23:57,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:57,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,505 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,524 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 [2021-10-13 01:23:57,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 01:23:57,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:57,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,568 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 01:23:57,569 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 [2021-10-13 01:23:57,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-13 01:23:57,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,606 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 01:23:57,608 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 [2021-10-13 01:23:57,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-13 01:23:57,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,644 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 01:23:57,646 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 [2021-10-13 01:23:57,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:57,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:57,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:57,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,686 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 01:23:57,687 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 [2021-10-13 01:23:57,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:57,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,726 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 01:23:57,728 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 [2021-10-13 01:23:57,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-13 01:23:57,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,765 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 01:23:57,770 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 [2021-10-13 01:23:57,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:57,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:57,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-13 01:23:57,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,810 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 01:23:57,812 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 [2021-10-13 01:23:57,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:57,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,851 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 01:23:57,853 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 [2021-10-13 01:23:57,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-13 01:23:57,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,921 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 01:23:57,924 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 [2021-10-13 01:23:57,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-13 01:23:57,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:57,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:57,961 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:57,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 01:23:57,963 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 [2021-10-13 01:23:57,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:57,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:57,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:57,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:57,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:57,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:57,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:57,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:57,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-13 01:23:58,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,005 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 01:23:58,007 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 [2021-10-13 01:23:58,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-13 01:23:58,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,043 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 01:23:58,044 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 [2021-10-13 01:23:58,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:58,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:58,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,085 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 01:23:58,087 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 [2021-10-13 01:23:58,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:58,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:58,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-13 01:23:58,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,129 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 01:23:58,131 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 [2021-10-13 01:23:58,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-13 01:23:58,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,168 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 01:23:58,169 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 [2021-10-13 01:23:58,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,258 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,263 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 [2021-10-13 01:23:58,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 01:23:58,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,341 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-13 01:23:58,342 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 [2021-10-13 01:23:58,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,426 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,431 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 [2021-10-13 01:23:58,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-13 01:23:58,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,501 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-13 01:23:58,505 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 [2021-10-13 01:23:58,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:23:58,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:23:58,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:23:58,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,566 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-13 01:23:58,567 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 [2021-10-13 01:23:58,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:58,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:58,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:58,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,626 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-13 01:23:58,628 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 [2021-10-13 01:23:58,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:58,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:58,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:58,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:58,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:58,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-13 01:23:58,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:58,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:58,668 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:58,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-13 01:23:58,670 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 [2021-10-13 01:23:58,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:58,679 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-13 01:23:58,679 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-13 01:23:58,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:58,771 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2021-10-13 01:23:58,772 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-13 01:23:59,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:59,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:59,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:59,073 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:59,076 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 [2021-10-13 01:23:59,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:59,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:59,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:59,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:59,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:59,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:59,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-13 01:23:59,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:23:59,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:59,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:59,149 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:59,151 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 [2021-10-13 01:23:59,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:23:59,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:23:59,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:23:59,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:23:59,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-13 01:23:59,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:23:59,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:23:59,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:23:59,289 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 01:23:59,289 INFO L444 ModelExtractionUtils]: 19 out of 55 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-10-13 01:23:59,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:23:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:59,294 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:59,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:23:59,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-13 01:23:59,325 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:23:59,325 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:23:59,325 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s~0.base)_2, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s~0.base)_2 - 1*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2021-10-13 01:23:59,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:59,503 INFO L297 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2021-10-13 01:23:59,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:59,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:23:59,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:59,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:23:59,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:59,654 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 [2021-10-13 01:23:59,654 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:59,683 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 67 transitions. Complement of second has 5 states. [2021-10-13 01:23:59,685 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 [2021-10-13 01:23:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2021-10-13 01:23:59,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-13 01:23:59,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:59,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-13 01:23:59,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:59,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-13 01:23:59,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:23:59,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 67 transitions. [2021-10-13 01:23:59,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:23:59,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 40 states and 50 transitions. [2021-10-13 01:23:59,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-13 01:23:59,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-13 01:23:59,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 50 transitions. [2021-10-13 01:23:59,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:23:59,695 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-13 01:23:59,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 50 transitions. [2021-10-13 01:23:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-10-13 01:23:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 states have internal predecessors, (41), 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) [2021-10-13 01:23:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2021-10-13 01:23:59,706 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-10-13 01:23:59,707 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-10-13 01:23:59,707 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 01:23:59,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2021-10-13 01:23:59,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:23:59,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:23:59,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:23:59,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:59,711 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:23:59,711 INFO L791 eck$LassoCheckResult]: Stem: 891#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 892#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 896#L532 assume !(main_~length1~0 < 1); 893#L532-2 assume !(main_~length2~0 < 1); 887#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 888#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 907#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 908#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 897#L541-4 main_~i~1 := 0; 898#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 889#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 890#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 905#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 906#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 909#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 902#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 913#L522-1 assume !cstrcspn_#t~short7; 914#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 894#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 895#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 903#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 904#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 910#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 900#L522-5 [2021-10-13 01:23:59,712 INFO L793 eck$LassoCheckResult]: Loop: 900#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 912#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 899#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 900#L522-5 [2021-10-13 01:23:59,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:59,712 INFO L82 PathProgramCache]: Analyzing trace with hash -777149455, now seen corresponding path program 1 times [2021-10-13 01:23:59,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:59,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655626585] [2021-10-13 01:23:59,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:59,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:00,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:24:00,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655626585] [2021-10-13 01:24:00,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655626585] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:00,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700224048] [2021-10-13 01:24:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:00,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:00,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:00,048 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:24:00,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-10-13 01:24:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:00,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-13 01:24:00,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:00,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:24:00,518 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-10-13 01:24:00,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 30 [2021-10-13 01:24:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:01,169 INFO L354 Elim1Store]: treesize reduction 40, result has 7.0 percent of original size [2021-10-13 01:24:01,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 23 [2021-10-13 01:24:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:24:01,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700224048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:01,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:24:01,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-13 01:24:01,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795369794] [2021-10-13 01:24:01,198 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:24:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:01,198 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 2 times [2021-10-13 01:24:01,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:01,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132318413] [2021-10-13 01:24:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:01,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:01,210 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:01,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:24:01,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:24:01,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 01:24:01,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-10-13 01:24:01,374 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. cyclomatic complexity: 14 Second operand has 15 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 15 states have internal predecessors, (38), 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) [2021-10-13 01:24:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:01,812 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2021-10-13 01:24:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:24:01,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 65 transitions. [2021-10-13 01:24:01,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:24:01,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 35 states and 44 transitions. [2021-10-13 01:24:01,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-13 01:24:01,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 01:24:01,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2021-10-13 01:24:01,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:24:01,815 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-10-13 01:24:01,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2021-10-13 01:24:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-10-13 01:24:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2021-10-13 01:24:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-10-13 01:24:01,819 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-13 01:24:01,819 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-13 01:24:01,819 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 01:24:01,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2021-10-13 01:24:01,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:24:01,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:24:01,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:24:01,821 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:24:01,821 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:24:01,821 INFO L791 eck$LassoCheckResult]: Stem: 1066#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1067#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1073#L532 assume !(main_~length1~0 < 1); 1070#L532-2 assume !(main_~length2~0 < 1); 1064#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1065#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1084#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1085#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1086#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1095#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1074#L541-4 main_~i~1 := 0; 1075#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1068#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1069#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1082#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 1083#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1087#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1079#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1091#L522-1 assume !cstrcspn_#t~short7; 1092#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 1071#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 1072#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 1080#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 1081#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1088#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1077#L522-5 [2021-10-13 01:24:01,821 INFO L793 eck$LassoCheckResult]: Loop: 1077#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1090#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 1076#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 1077#L522-5 [2021-10-13 01:24:01,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash 409245907, now seen corresponding path program 2 times [2021-10-13 01:24:01,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:01,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832400070] [2021-10-13 01:24:01,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:01,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:01,843 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:01,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:24:01,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:01,870 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 3 times [2021-10-13 01:24:01,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:01,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913327996] [2021-10-13 01:24:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:01,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:01,877 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:01,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:24:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:01,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1567281202, now seen corresponding path program 1 times [2021-10-13 01:24:01,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:01,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133522646] [2021-10-13 01:24:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:01,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 01:24:02,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:24:02,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133522646] [2021-10-13 01:24:02,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133522646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:02,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44387355] [2021-10-13 01:24:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:02,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:24:02,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:02,030 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:24:02,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2021-10-13 01:24:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:02,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-13 01:24:02,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:02,352 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-10-13 01:24:02,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 21 [2021-10-13 01:24:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 01:24:02,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44387355] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:24:02,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:24:02,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-10-13 01:24:02,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272702482] [2021-10-13 01:24:02,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:24:02,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 01:24:02,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-13 01:24:02,821 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 14 Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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) [2021-10-13 01:24:03,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:03,160 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2021-10-13 01:24:03,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:24:03,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2021-10-13 01:24:03,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:24:03,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 52 states and 64 transitions. [2021-10-13 01:24:03,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-13 01:24:03,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-13 01:24:03,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 64 transitions. [2021-10-13 01:24:03,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:24:03,164 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2021-10-13 01:24:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 64 transitions. [2021-10-13 01:24:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 38. [2021-10-13 01:24:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:24:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-10-13 01:24:03,168 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-13 01:24:03,168 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-13 01:24:03,168 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 01:24:03,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-10-13 01:24:03,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:24:03,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:24:03,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:24:03,171 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:24:03,171 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:24:03,171 INFO L791 eck$LassoCheckResult]: Stem: 1278#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1279#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1285#L532 assume !(main_~length1~0 < 1); 1282#L532-2 assume !(main_~length2~0 < 1); 1276#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1277#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1296#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1297#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1298#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1307#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1286#L541-4 main_~i~1 := 0; 1287#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1280#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1281#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1294#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 1295#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1299#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1310#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1303#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 1304#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 1283#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 1284#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 1292#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 1293#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1300#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1289#L522-5 [2021-10-13 01:24:03,172 INFO L793 eck$LassoCheckResult]: Loop: 1289#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1302#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 1288#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 1289#L522-5 [2021-10-13 01:24:03,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:03,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1365761455, now seen corresponding path program 1 times [2021-10-13 01:24:03,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:03,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47172787] [2021-10-13 01:24:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:03,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:03,207 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:03,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:24:03,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:03,243 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 4 times [2021-10-13 01:24:03,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:03,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341199536] [2021-10-13 01:24:03,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:03,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:03,251 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:03,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:24:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:03,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1174254192, now seen corresponding path program 1 times [2021-10-13 01:24:03,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:24:03,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521663112] [2021-10-13 01:24:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:03,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:24:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:03,314 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:03,359 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:24:06,590 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:24:06,590 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:24:06,590 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:24:06,590 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:24:06,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:24:06,591 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:06,591 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:24:06,591 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:24:06,591 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration9_Lasso [2021-10-13 01:24:06,591 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:24:06,591 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:24:06,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:06,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:08,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:24:10,478 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:24:10,479 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:24:10,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,481 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-13 01:24:10,484 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 [2021-10-13 01:24:10,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:24:10,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:24:10,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:24:10,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-13 01:24:10,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,527 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-13 01:24:10,529 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 [2021-10-13 01:24:10,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:24:10,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:24:10,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:24:10,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:10,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,571 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-13 01:24:10,572 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 [2021-10-13 01:24:10,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:24:10,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:24:10,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:24:10,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-13 01:24:10,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,654 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-13 01:24:10,656 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 [2021-10-13 01:24:10,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:10,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:10,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-13 01:24:10,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,701 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-13 01:24:10,702 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 [2021-10-13 01:24:10,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:10,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:10,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-13 01:24:10,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,745 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-13 01:24:10,747 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 [2021-10-13 01:24:10,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:24:10,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:24:10,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:24:10,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-13 01:24:10,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,791 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-13 01:24:10,794 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 [2021-10-13 01:24:10,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:24:10,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:24:10,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:24:10,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-13 01:24:10,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,841 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-13 01:24:10,843 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 [2021-10-13 01:24:10,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:24:10,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:24:10,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:24:10,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-13 01:24:10,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,887 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-13 01:24:10,888 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 [2021-10-13 01:24:10,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:10,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:10,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:10,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:10,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:10,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:10,932 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:10,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-13 01:24:10,933 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 [2021-10-13 01:24:10,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:10,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:10,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:10,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:10,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:10,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:10,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:11,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:11,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:11,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:11,025 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:11,035 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 [2021-10-13 01:24:11,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-13 01:24:11,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:11,049 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-10-13 01:24:11,049 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-13 01:24:11,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:11,249 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2021-10-13 01:24:11,249 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-13 01:24:11,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:11,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:11,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:11,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:11,820 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:11,823 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 [2021-10-13 01:24:11,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-13 01:24:11,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:11,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:11,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:11,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:11,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:11,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:11,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:11,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:11,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:11,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:11,926 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:11,931 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 [2021-10-13 01:24:11,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:11,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:11,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:11,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:11,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-13 01:24:11,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:11,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:11,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:12,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-13 01:24:12,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:12,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:12,008 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:12,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-13 01:24:12,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:24:12,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:12,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:12,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:12,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:12,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:12,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:12,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:12,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:12,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:12,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:12,063 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:12,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-13 01:24:12,064 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 [2021-10-13 01:24:12,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:12,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:12,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:12,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:12,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:12,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:12,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:12,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-13 01:24:12,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:12,110 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:12,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-13 01:24:12,111 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 [2021-10-13 01:24:12,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:12,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:12,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:12,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:12,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:12,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:12,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:24:12,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-13 01:24:12,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:12,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:12,154 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-13 01:24:12,156 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 [2021-10-13 01:24:12,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:24:12,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:24:12,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:24:12,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:24:12,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:24:12,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:24:12,204 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:24:12,288 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-13 01:24:12,288 INFO L444 ModelExtractionUtils]: 10 out of 58 variables were initially zero. Simplification set additionally 45 variables to zero. [2021-10-13 01:24:12,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:24:12,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:12,290 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:12,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-13 01:24:12,291 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:24:12,303 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:24:12,303 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:24:12,303 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3) = -1*ULTIMATE.start_cstrcspn_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3 Supporting invariants [] [2021-10-13 01:24:12,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-10-13 01:24:12,551 INFO L297 tatePredicateManager]: 35 out of 37 supporting invariants were superfluous and have been removed [2021-10-13 01:24:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:12,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:24:12,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:12,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:24:12,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:12,858 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 [2021-10-13 01:24:12,859 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 01:24:12,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) Result 56 states and 70 transitions. Complement of second has 6 states. [2021-10-13 01:24:12,939 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 [2021-10-13 01:24:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 01:24:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-13 01:24:12,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-13 01:24:12,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:24:12,942 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:24:12,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:13,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:24:13,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:13,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:24:13,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:13,252 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 [2021-10-13 01:24:13,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 01:24:13,315 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) Result 56 states and 70 transitions. Complement of second has 6 states. [2021-10-13 01:24:13,316 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 [2021-10-13 01:24:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 01:24:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-13 01:24:13,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-13 01:24:13,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:24:13,317 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:24:13,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:13,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:24:13,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:13,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:13,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:24:13,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:13,695 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 [2021-10-13 01:24:13,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 01:24:13,764 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) Result 55 states and 72 transitions. Complement of second has 5 states. [2021-10-13 01:24:13,765 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 [2021-10-13 01:24:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 01:24:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2021-10-13 01:24:13,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-13 01:24:13,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:24:13,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-13 01:24:13,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:24:13,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 25 letters. Loop has 6 letters. [2021-10-13 01:24:13,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:24:13,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 72 transitions. [2021-10-13 01:24:13,770 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:24:13,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2021-10-13 01:24:13,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:24:13,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:24:13,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:24:13,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:24:13,772 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:24:13,772 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:24:13,772 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:24:13,772 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 01:24:13,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:24:13,773 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:24:13,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:24:13,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:24:13 BoogieIcfgContainer [2021-10-13 01:24:13,781 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:24:13,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:24:13,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:24:13,783 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:24:13,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:41" (3/4) ... [2021-10-13 01:24:13,787 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:24:13,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:24:13,789 INFO L168 Benchmark]: Toolchain (without parser) took 34208.08 ms. Allocated memory was 98.6 MB in the beginning and 218.1 MB in the end (delta: 119.5 MB). Free memory was 55.4 MB in the beginning and 154.9 MB in the end (delta: -99.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,789 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 98.6 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:24:13,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.32 ms. Allocated memory is still 98.6 MB. Free memory was 55.3 MB in the beginning and 66.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.14 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,791 INFO L168 Benchmark]: Boogie Preprocessor took 52.17 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 63.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,792 INFO L168 Benchmark]: RCFGBuilder took 552.62 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 51.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,792 INFO L168 Benchmark]: BuchiAutomizer took 32686.44 ms. Allocated memory was 98.6 MB in the beginning and 218.1 MB in the end (delta: 119.5 MB). Free memory was 51.8 MB in the beginning and 154.9 MB in the end (delta: -103.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,793 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 218.1 MB. Free memory is still 154.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:24:13,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 98.6 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 803.32 ms. Allocated memory is still 98.6 MB. Free memory was 55.3 MB in the beginning and 66.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.14 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.17 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 63.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 552.62 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 51.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 32686.44 ms. Allocated memory was 98.6 MB in the beginning and 218.1 MB in the end (delta: 119.5 MB). Free memory was 51.8 MB in the beginning and 154.9 MB in the end (delta: -103.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.21 ms. Allocated memory is still 218.1 MB. Free memory is still 154.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * s and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.6s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 29.1s. Construction of modules took 0.5s. Büchi inclusion checks took 2.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 56.3ms AutomataMinimizationTime, 8 MinimizatonAttempts, 27 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 38 states and ocurred in iteration 8. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 220 SDtfs, 387 SDslu, 484 SDs, 0 SdLazy, 465 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 585.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital275 mio100 ax108 hnf99 lsp89 ukn74 mio100 lsp45 div108 bol100 ite100 ukn100 eq175 hnf86 smp97 dnf455 smp71 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 742ms VariablesStem: 9 VariablesLoop: 6 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 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! [2021-10-13 01:24:13,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:14,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:14,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4bedba-722c-49f5-9449-9f741c0d12be/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...